diff --git a/addons/website_slides/views/website_slides_templates_course.xml b/addons/website_slides/views/website_slides_templates_course.xml
index ec52bb3961a..c4261638b1a 100644
--- a/addons/website_slides/views/website_slides_templates_course.xml
+++ b/addons/website_slides/views/website_slides_templates_course.xml
@@ -479,12 +479,14 @@
 </template>
 
 <template id="slide_icon">
-    <i t-if="slide.slide_type == 'document'" class="fa fa-file-pdf-o mr-2 text-muted"></i>
-    <i t-if="slide.slide_type == 'infographic'" class="fa fa-file-picture-o mr-2 text-muted"></i>
-    <i t-if="slide.slide_type == 'video'" class="fa fa-play-circle mr-2 text-muted"></i>
-    <i t-if="slide.slide_type == 'link'" class="fa fa-file-code-o mr-2 text-muted"></i>
-    <i t-if="slide.slide_type == 'webpage'" class="fa fa-file-text mr-2 text-muted"></i>
-    <i t-if="slide.slide_type == 'quiz'" class="fa fa-question-circle mr-2 text-muted"></i>
+    <t t-set="icon_class" t-value="icon_class if icon_class else 'mr-2 text-muted'"/>
+    <i t-if="slide.slide_type == 'document'" t-att-class="'fa fa-file-pdf-o %s' % icon_class"></i>
+    <i t-if="slide.slide_type == 'presentation'" t-att-class="'fa fa-file-pdf-o %s' % icon_class"></i>
+    <i t-if="slide.slide_type == 'infographic'" t-att-class="'fa fa-file-picture-o %s' % icon_class"></i>
+    <i t-if="slide.slide_type == 'video'" t-att-class="'fa fa-play-circle %s' % icon_class"></i>
+    <i t-if="slide.slide_type == 'link'" t-att-class="'fa fa-file-code-o %s' % icon_class"></i>
+    <i t-if="slide.slide_type == 'webpage'" t-att-class="'fa fa-file-text %s' % icon_class"></i>
+    <i t-if="slide.slide_type == 'quiz'" t-att-class="'fa fa-question-circle %s' % icon_class"></i>
 </template>
 
 </data></odoo>
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 95cef917fbd..fc0a2cba672 100644
--- a/addons/website_slides_survey/views/website_slides_templates_course.xml
+++ b/addons/website_slides_survey/views/website_slides_templates_course.xml
@@ -3,7 +3,7 @@
     <data>
         <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'" class="fa fa-trophy mr-2 text-muted"></i>
+                <i t-if="slide.slide_type == 'certification'" t-att-class="'fa fa-trophy %s' % icon_class"></i>
             </xpath>
         </template>
     </data>