diff --git a/bigbluebutton-html5/imports/ui/components/user-list/user-list-content/user-messages/chat-list/chat-list-item/styles.ts b/bigbluebutton-html5/imports/ui/components/user-list/user-list-content/user-messages/chat-list/chat-list-item/styles.ts
index e20b723fda..b32907fe72 100644
--- a/bigbluebutton-html5/imports/ui/components/user-list/user-list-content/user-messages/chat-list/chat-list-item/styles.ts
+++ b/bigbluebutton-html5/imports/ui/components/user-list/user-list-content/user-messages/chat-list/chat-list-item/styles.ts
@@ -158,6 +158,7 @@ const ChatListItem = styled.button`
   border-top-right-radius: 0;
   border-bottom-right-radius: 0;
   cursor: pointer;
+  border-color: transparent;
 
   [dir="rtl"] & {
     border-top-left-radius: 0;