diff --git a/extensions/mentions/js/forum/src/addComposerAutocomplete.js b/extensions/mentions/js/forum/src/addComposerAutocomplete.js
index 3e4f19027..a0a084919 100644
--- a/extensions/mentions/js/forum/src/addComposerAutocomplete.js
+++ b/extensions/mentions/js/forum/src/addComposerAutocomplete.js
@@ -16,7 +16,7 @@ export default function addComposerAutocomplete() {
     const composer = this;
     const $container = $('<div class="ComposerBody-mentionsDropdownContainer"></div>');
     const dropdown = new AutocompleteDropdown({items: []});
-    const $textarea = this.$('textarea');
+    const $textarea = this.$('textarea').wrap('<div class="ComposerBody-mentionsWrapper"></div>');
     const searched = [];
     let mentionStart;
     let typed;
diff --git a/extensions/mentions/less/forum/extension.less b/extensions/mentions/less/forum/extension.less
index abd39ef91..e061d5e7b 100644
--- a/extensions/mentions/less/forum/extension.less
+++ b/extensions/mentions/less/forum/extension.less
@@ -26,7 +26,7 @@
     margin-right: 5px;
   }
 }
-.TextEditor {
+.ComposerBody-mentionsWrapper {
   position: relative;
 }
 .MentionsDropdown {