diff --git a/addons/website_slides/models/slide_slide.py b/addons/website_slides/models/slide_slide.py
index bb9b8f3aab5..add1f83bbe5 100644
--- a/addons/website_slides/models/slide_slide.py
+++ b/addons/website_slides/models/slide_slide.py
@@ -183,6 +183,7 @@ class Slide(models.Model):
     image_google_url = fields.Char('Image Link', related='url', readonly=False,
         help="Link of the image (we currently only support Google Drive as source)")
     # content - documents
+    slide_icon_class = fields.Char('Slide Icon fa-class', compute='_compute_slide_icon_class')
     slide_type = fields.Selection([
         ('image', 'Image'),
         ('article', 'Article'),
@@ -401,6 +402,23 @@ class Slide(models.Model):
             filtered_slides = category.slide_ids.filtered(lambda slide: slide.is_published)
             category.completion_time = sum(filtered_slides.mapped("completion_time"))
 
+    @api.depends('slide_type')
+    def _compute_slide_icon_class(self):
+        icon_per_slide_type = {
+            'image': 'fa-file-picture-o',
+            'article': 'fa-file-text-o',
+            'quiz': 'fa-question-circle-o',
+            'pdf': 'fa-file-pdf-o',
+            'sheet': 'fa-file-excel-o',
+            'doc': 'fa-file-word-o',
+            'slides': 'fa-file-powerpoint-o',
+            'youtube_video': 'fa-youtube-play',
+            'google_drive_video': 'fa-play-circle-o',
+            'vimeo_video': 'fa-vimeo',
+        }
+        for slide in self:
+            slide.slide_icon_class = icon_per_slide_type.get(slide.slide_type, 'fa-file-o')
+
     @api.depends('slide_category', 'source_type', 'video_source_type')
     def _compute_slide_type(self):
         """ For 'local content' or specific slide categories, the slide type is directly derived
diff --git a/addons/website_slides/static/src/js/slides_course_page.js b/addons/website_slides/static/src/js/slides_course_page.js
index 7f98f4b46d8..43166bd8b5f 100644
--- a/addons/website_slides/static/src/js/slides_course_page.js
+++ b/addons/website_slides/static/src/js/slides_course_page.js
@@ -63,7 +63,7 @@ export const SlideCoursePage = publicWidget.Widget.extend({
 
         const newButton = QWeb.render('website.slides.sidebar.done.button', {
             slideId: slide.id,
-            slideIcon: $button.data('slideIcon') ?? 'fa-file-o',
+            uncompletedIcon: $button.data('uncompletedIcon') ?? 'fa-circle-thin',
             slideCompleted: completed,
             canSelfMarkUncompleted: slide.canSelfMarkUncompleted,
             canSelfMarkCompleted: slide.canSelfMarkCompleted,
diff --git a/addons/website_slides/static/src/xml/website_slides_sidebar.xml b/addons/website_slides/static/src/xml/website_slides_sidebar.xml
index a46312f3615..507b83f3dab 100644
--- a/addons/website_slides/static/src/xml/website_slides_sidebar.xml
+++ b/addons/website_slides/static/src/xml/website_slides_sidebar.xml
@@ -4,18 +4,18 @@
     <t t-name="website.slides.sidebar.done.button">
         <div class="o_wslides_sidebar_done_button"
             t-att-data-id="slideId"
-            t-att-data-slide-icon="slideIcon"
+            t-att-data-uncompleted-icon="uncompletedIcon"
             t-att-data-completed="slideCompleted"
             t-att-data-can-self-mark-completed="canSelfMarkCompleted"
             t-att-data-can-self-mark-uncompleted="canSelfMarkUncompleted"
             t-att-data-is-member="isMember"> <!-- The template is only used for members -->
             <button class="o_wslides_button_complete btn btn-sm" t-if="slideCompleted and canSelfMarkUncompleted or !slideCompleted and canSelfMarkCompleted">
                 <i t-if="slideCompleted" class="o_wslides_slide_completed fa fa-check-circle fa-fw text-success fa-lg" t-att-data-slide-id="slideId" title="Mark as not done"/>
-                <i t-else="" t-attf-class="fa #{slideIcon or 'fa-circle-thin'} fa-fw fa-lg" t-att-data-slide-id="slideId" title="Mark as done"/>
+                <i t-else="" t-attf-class="fa #{uncompletedIcon or 'fa-circle-thin'} fa-fw fa-lg" t-att-data-slide-id="slideId" title="Mark as done"/>
             </button>
             <button class="o_wslides_button_complete btn btn-sm" t-else="" disabled="1">
                 <i t-if="slideCompleted" class="o_wslides_slide_completed fa fa-check fa-fw text-success fa-lg" t-att-data-slide-id="slideId" title="Can not be marked as not done"/>
-                <i t-else="" t-attf-class="fa #{slideIcon or 'fa-circle-thin'} fa-fw fa-lg" t-att-data-slide-id="slideId" title="Can not be marked as done"/>
+                <i t-else="" t-attf-class="fa #{uncompletedIcon or 'fa-circle-thin'} fa-fw fa-lg" t-att-data-slide-id="slideId" title="Can not be marked as done"/>
             </button>
         </div>
     </t>
diff --git a/addons/website_slides/views/website_slides_templates_course.xml b/addons/website_slides/views/website_slides_templates_course.xml
index 9acca7bbda6..9bdcf29be5b 100644
--- a/addons/website_slides/views/website_slides_templates_course.xml
+++ b/addons/website_slides/views/website_slides_templates_course.xml
@@ -595,9 +595,7 @@
         <div t-if="channel.can_publish" class=" o_wslides_slides_list_drag m-2 o_not_editable">
             <i class="fa fa-sort"></i>
         </div>
-        <t t-call="website_slides.slide_icon">
-            <t t-set="icon_class" t-value="'py-2 mx-2'"/>
-        </t>
+        <i t-attf-class="fa #{slide.slide_icon_class} py-2 mx-2"/>
         <div class="text-truncate me-auto">
             <a t-if="not invite_preview and (slide.is_preview or channel.is_member or channel.can_publish)" class="o_wslides_js_slides_list_slide_link" t-attf-href="/slides/slide/#{slug(slide)}">
                 <span t-field="slide.name"/>
@@ -631,6 +629,7 @@
             <t t-call="website_slides.slide_sidebar_done_button">
                 <t t-set="is_member" t-value="channel.is_member"/>
                 <t t-set="slide_completed" t-value="channel_progress[slide.id].get('completed')"/>
+                <t t-set="use_slide_icon" t-value="False"/>
             </t>
             <span t-if="channel.can_publish" class="d-none d-md-flex">
                 <a t-if="slide.slide_category == 'article'" class="mx-2 o_text_link text-primary o_not_editable" target="_blank" t-attf-href="/slides/slide/#{slug(slide)}?enable_editor=1"><span class="fa fa-pencil"/></a>
@@ -892,19 +891,4 @@
     </div>
 </template>
 
-<template id="slide_icon">
-    <t t-set="icon_class" t-value="icon_class if icon_class else 'me-2 text-muted'"/>
-    <i t-if="slide.slide_type == 'pdf'" t-att-class="'fa fa-file-pdf-o %s' % icon_class"></i>
-    <i t-if="slide.slide_type == 'sheet'" t-att-class="'fa fa-file-excel-o %s' % icon_class"></i>
-    <i t-if="slide.slide_type == 'doc'" t-att-class="'fa fa-file-word-o %s' % icon_class"></i>
-    <i t-if="slide.slide_type == 'slides'" t-att-class="'fa fa-file-powerpoint-o %s' % icon_class"></i>
-    <i t-if="slide.slide_type == 'image'" t-att-class="'fa fa-file-picture-o %s' % icon_class"></i>
-    <i t-if="slide.slide_type == 'youtube_video'" t-att-class="'fa fa-youtube-play %s' % icon_class"></i>
-    <i t-if="slide.slide_type == 'google_drive_video'" t-att-class="'fa fa-play-circle-o %s' % icon_class"></i>
-    <i t-if="slide.slide_type == 'vimeo_video'" t-att-class="'fa fa-vimeo %s' % icon_class"></i>
-    <i t-if="slide.slide_type == 'article'" t-att-class="'fa fa-file-text-o %s' % icon_class"></i>
-    <i t-if="slide.slide_type == 'quiz'" t-att-class="'fa fa-question-circle-o %s' % icon_class"></i>
-    <i t-if="not slide.slide_type" t-att-class="'fa fa-file-o %s' % icon_class"></i>
-</template>
-
 </data></odoo>
diff --git a/addons/website_slides/views/website_slides_templates_lesson.xml b/addons/website_slides/views/website_slides_templates_lesson.xml
index 4c6eac2dd73..20da6de3492 100644
--- a/addons/website_slides/views/website_slides_templates_lesson.xml
+++ b/addons/website_slides/views/website_slides_templates_lesson.xml
@@ -157,20 +157,10 @@
                     <div t-att-class="'o_wslides_lesson_aside_list_link d-flex p-1 %s%s' % (('bg-100 active' if aside_slide == slide else ''), 'text-muted' if not can_access else '')"
                         t-att-data-id="slide.id"
                         t-att-data-completed="slide_completed">
-                        <t t-set="slide_icon" t-if="aside_slide.slide_type == 'pdf'" t-value="'fa-file-pdf-o'"/>
-                        <t t-set="slide_icon" t-elif="aside_slide.slide_type == 'sheet'" t-value="'fa-file-excel-o'"/>
-                        <t t-set="slide_icon" t-elif="aside_slide.slide_type == 'doc'" t-value="'fa-file-word-o'"/>
-                        <t t-set="slide_icon" t-elif="aside_slide.slide_type == 'slides'" t-value="'fa-file-powerpoint-o'"/>
-                        <t t-set="slide_icon" t-elif="aside_slide.slide_type == 'image'" t-value="'fa-file-picture-o'"/>
-                        <t t-set="slide_icon" t-elif="aside_slide.slide_type == 'youtube_video'" t-value="'fa-youtube-play'"/>
-                        <t t-set="slide_icon" t-elif="aside_slide.slide_type == 'google_drive_video'" t-value="'fa-play-circle-o'"/>
-                        <t t-set="slide_icon" t-elif="aside_slide.slide_type == 'vimeo_video'" t-value="'fa-vimeo'"/>
-                        <t t-set="slide_icon" t-elif="aside_slide.slide_type == 'article'" t-value="'fa-file-text-o'"/>
-                        <t t-set="slide_icon" t-elif="aside_slide.slide_type == 'quiz'" t-value="'fa-question-circle-o'"/>
-                        <t t-set="slide_icon" t-else="" t-value="'fa-file-o'"/>
                         <t t-call="website_slides.slide_sidebar_done_button">
                             <t t-set="slide" t-value="aside_slide"/>
                             <t t-set="slide_completed" t-value="channel_progress[aside_slide.id].get('completed')"/>
+                            <t t-set="use_slide_icon" t-value="True"/>
                         </t>
                         <a t-att-href="'/slides/slide/%s' % (slug(aside_slide)) if can_access else '#'"
                             t-attf-class="d-flex text-decoration-none mw-100 overflow-hidden #{'text-muted' if not can_access else ''}">
@@ -233,9 +223,7 @@
         <div class="col-12 col-md order-2 order-md-1 d-flex">
             <div class="d-flex align-items-start">
                 <h1 class="h4 my-0 d-flex flex_row">
-                    <t t-call="website_slides.slide_icon">
-                        <t t-set="icon_class" t-valuef="me-2"/>
-                    </t>
+                    <i t-attf-class="fa #{slide.slide_icon_class} me-2"/>
                     <span t-field="slide.name"/>
                 </h1>
             </div>
diff --git a/addons/website_slides/views/website_slides_templates_lesson_fullscreen.xml b/addons/website_slides/views/website_slides_templates_lesson_fullscreen.xml
index a3a864bb2f1..4c790c636f7 100644
--- a/addons/website_slides/views/website_slides_templates_lesson_fullscreen.xml
+++ b/addons/website_slides/views/website_slides_templates_lesson_fullscreen.xml
@@ -114,20 +114,10 @@
             <t t-set="can_access_channel" t-value="is_member or current_slide.channel_id.can_publish"/>
             <t t-foreach="slides" t-as="slide">
                 <t t-set="slide_completed" t-value="channel_progress[slide.id].get('completed')"/>
+                <t t-set="use_slide_icon" t-value="True"/>
                 <t t-set="can_access" t-value="can_access_channel or slide.is_preview"/>
                 <t t-set="is_member" t-value="current_slide.channel_id.is_member"/>
                 <t t-set="is_member_or_invited" t-value="is_member or current_slide.channel_id.is_member_invited"/>
-                <t t-set="slide_icon" t-if="slide.slide_type == 'pdf'" t-value="'fa-file-pdf-o'"/>
-                <t t-set="slide_icon" t-elif="slide.slide_type == 'sheet'" t-value="'fa-file-excel-o'"/>
-                <t t-set="slide_icon" t-elif="slide.slide_type == 'doc'" t-value="'fa-file-word-o'"/>
-                <t t-set="slide_icon" t-elif="slide.slide_type == 'slides'" t-value="'fa-file-powerpoint-o'"/>
-                <t t-set="slide_icon" t-elif="slide.slide_type == 'image'" t-value="'fa-file-picture-o'"/>
-                <t t-set="slide_icon" t-elif="slide.slide_type == 'youtube_video'" t-value="'fa-youtube-play'"/>
-                <t t-set="slide_icon" t-elif="slide.slide_type == 'google_drive_video'" t-value="'fa-play-circle-o'"/>
-                <t t-set="slide_icon" t-elif="slide.slide_type == 'vimeo_video'" t-value="'fa-vimeo'"/>
-                <t t-set="slide_icon" t-elif="slide.slide_type == 'article'" t-value="'fa-file-text-o'"/>
-                <t t-set="slide_icon" t-elif="slide.slide_type == 'quiz'" t-value="'fa-question-circle-o'"/>
-                <t t-set="slide_icon" t-else="" t-value="'fa-file-o'"/>
                 <li t-attf-class="o_wslides_fs_sidebar_list_item d-flex py-1 #{'active' if slide.id == current_slide.id else ''}"
                     t-att-data-id="slide.id"
                     t-att-data-can-access="can_access"
@@ -149,17 +139,15 @@
                     <div class="ms-2 o_wslides_sidebar_content">
                         <a t-if="can_access" class="d-block" href="#">
                             <div class="d-flex">
-                                <t t-set="icon_class" t-value="'me-2'"/>
                                 <t t-if="is_member" t-call="website_slides.slide_sidebar_done_button"/>
-                                <t t-else="" t-call="website_slides.slide_icon"/>
+                                <i t-else="" t-attf-class="fa #{slide.slide_icon_class} me-2"/>
                                 <div class="o_wslides_fs_slide_name" t-esc="slide.name"/>
                             </div>
                         </a>
                         <span t-else="" class="d-block" href="#">
                             <div class="d-flex">
-                                <t t-set="icon_class" t-value="'me-2 text-600'"/>
                                 <t t-if="is_member" t-call="website_slides.slide_sidebar_done_button"/>
-                                <t t-else="" t-call="website_slides.slide_icon"/>
+                                <i t-else="" t-attf-class="fa #{slide.slide_icon_class} me-2 text-600"/>
                                 <div class="o_wslides_fs_slide_name text-600" t-esc="slide.name"/>
                             </div>
                         </span>
diff --git a/addons/website_slides/views/website_slides_templates_utils.xml b/addons/website_slides/views/website_slides_templates_utils.xml
index 779c77d1135..3c67f2b55ba 100644
--- a/addons/website_slides/views/website_slides_templates_utils.xml
+++ b/addons/website_slides/views/website_slides_templates_utils.xml
@@ -139,21 +139,22 @@
 
 <!-- Python equivalent of the JS template "website.slides.sidebar.done.button" -->
 <template id="slide_sidebar_done_button" name="Sidebar Done Button">
+    <t t-set="uncompleted_icon" t-value="use_slide_icon and slide.slide_icon_class or 'fa-circle-thin'"/>
     <div t-if="is_member"
         class="o_wslides_sidebar_done_button align-self-start"
         t-att-data-id="slide.id"
-        t-att-data-slide-icon="slide_icon"
+        t-att-data-uncompleted-icon="uncompleted_icon"
         t-att-data-completed="slide_completed"
         t-att-data-can-self-mark-completed="slide.can_self_mark_completed"
         t-att-data-can-self-mark-uncompleted="slide.can_self_mark_uncompleted"
         t-att-data-is-member="is_member">
         <button class="o_wslides_button_complete btn btn-sm" t-if="slide_completed and slide.can_self_mark_uncompleted or not slide_completed and slide.can_self_mark_completed">
             <i t-if="slide_completed" class="o_wslides_slide_completed fa fa-check-circle fa-fw text-success fa-lg" t-att-data-slide-id="slide.id" title="Mark as not done"/>
-            <i t-else="" t-attf-class="fa #{slide_icon or 'fa-circle-thin'} fa-fw fa-lg" t-att-data-slide-id="slide.id" title="Mark as done"/>
+            <i t-else="" t-attf-class="fa #{uncompleted_icon} fa-fw fa-lg" t-att-data-slide-id="slide.id" title="Mark as done"/>
         </button>
         <button class="o_wslides_button_complete o_wslides_button_uncompleted btn btn-sm" t-else="" disabled="1">
             <i t-if="slide_completed" class="o_wslides_slide_completed fa fa-check fa-fw text-success fa-lg" t-att-data-slide-id="slide.id" title="Can not be marked as not done"/>
-            <i t-else="" t-attf-class="fa #{slide_icon or 'fa-circle-thin'} fa-fw fa-lg" t-att-data-slide-id="slide.id" title="Can not be marked as done"/>
+            <i t-else="" t-attf-class="fa #{uncompleted_icon} fa-fw fa-lg" t-att-data-slide-id="slide.id" title="Can not be marked as done"/>
         </button>
     </div>
 </template>
diff --git a/addons/website_slides_survey/models/slide_slide.py b/addons/website_slides_survey/models/slide_slide.py
index 42957b9a7f4..cc590a5a1af 100644
--- a/addons/website_slides_survey/models/slide_slide.py
+++ b/addons/website_slides_survey/models/slide_slide.py
@@ -65,6 +65,12 @@ class Slide(models.Model):
             if slide.slide_category == 'certification' or not slide.is_preview:
                 slide.is_preview = False
 
+    @api.depends('slide_type')
+    def _compute_slide_icon_class(self):
+        certification = self.filtered(lambda slide: slide.slide_type == 'certification')
+        certification.slide_icon_class = 'fa-trophy'
+        super(Slide, self - certification)._compute_slide_icon_class()
+
     @api.depends('slide_category', 'source_type')
     def _compute_slide_type(self):
         super(Slide, self)._compute_slide_type()
diff --git a/addons/website_slides_survey/views/website_slides_templates_course.xml b/addons/website_slides_survey/views/website_slides_templates_course.xml
index 9a5b23442f2..241269426f3 100644
--- a/addons/website_slides_survey/views/website_slides_templates_course.xml
+++ b/addons/website_slides_survey/views/website_slides_templates_course.xml
@@ -18,12 +18,6 @@
             </xpath>
         </template>
 
-        <template id="slide_icon_inherit_survey" inherit_id="website_slides.slide_icon">
-            <xpath expr="//i[last()]" position="after">
-                <i t-if="slide.slide_type == 'certification'" t-att-class="'fa fa-trophy %s' % icon_class"></i>
-            </xpath>
-        </template>
-
         <template id="course_slides_list_slide_inherit_survey" inherit_id="website_slides.course_slides_list_slide">
             <xpath expr="//a[hasclass('o_wslides_js_slides_list_slide_link')]" position="attributes">
                 <attribute name="t-attf-href">#{'/slides_survey/slide/get_certification_url?slide_id=%s' %(slide.id) if slide.slide_category == 'certification' and slide.channel_id.total_slides == 1 else '/slides/slide/%s' %(slug(slide))}</attribute>