diff --git a/assets/chat/css/style.scss b/assets/chat/css/style.scss
index f045d30e..e98e601c 100644
--- a/assets/chat/css/style.scss
+++ b/assets/chat/css/style.scss
@@ -361,6 +361,7 @@ label small {
 
         .msg-highlight + &,
         .msg-tagged + &.msg-tagged {
+            z-index: -1;
             margin-top: -4px;
             padding-top: 1px;
             border-top: none;