diff --git a/extensions/mentions/less/forum.less b/extensions/mentions/less/forum.less
index 89ecca496..0932c60df 100644
--- a/extensions/mentions/less/forum.less
+++ b/extensions/mentions/less/forum.less
@@ -109,7 +109,7 @@
     color: @body-bg;
   }
 }
-.Badge--group {
+.MentionsDropdown .Badge {
   box-shadow: none;
 }