diff --git a/addons/mail/static/src/components/emoji_category_bar_view/emoji_category_bar_view.xml b/addons/mail/static/src/components/emoji_category_bar_view/emoji_category_bar_view.xml
index 975afe29f72..e2ad769e02a 100644
--- a/addons/mail/static/src/components/emoji_category_bar_view/emoji_category_bar_view.xml
+++ b/addons/mail/static/src/components/emoji_category_bar_view/emoji_category_bar_view.xml
@@ -2,7 +2,7 @@
 <templates xml:space="preserve">
 
     <t t-name="mail.EmojiCategoryBarView" owl="1">
-        <div class="o_EmojiCategoryBarView d-flex flex-shrink-0 overflow-auto" t-attf-class="{{ className }}" t-ref="root">
+        <div class="o_EmojiCategoryBarView d-flex flex-shrink-0 overflow-auto border-end" t-attf-class="{{ className }}" t-ref="root">
             <t t-foreach="emojiCategoryBarView.emojiCategoryViews" t-as="emojiCategoryView" t-key="emojiCategoryView.localId">
                 <EmojiCategoryView record="emojiCategoryView"/>
             </t>