diff --git a/bigbluebutton-html5/imports/ui/components/user-list/styles.scss b/bigbluebutton-html5/imports/ui/components/user-list/styles.scss
index 104e4d0209..3eed73e6cb 100755
--- a/bigbluebutton-html5/imports/ui/components/user-list/styles.scss
+++ b/bigbluebutton-html5/imports/ui/components/user-list/styles.scss
@@ -87,6 +87,7 @@ $user-icons-color-hover: $color-gray;
 }
 
 .messages {
+  max-height: 30vh;
 }
 
 .participants {
diff --git a/bigbluebutton-html5/imports/ui/components/user-list/user-list-content/styles.scss b/bigbluebutton-html5/imports/ui/components/user-list/user-list-content/styles.scss
index 9441a9ade3..ca81abc1ee 100755
--- a/bigbluebutton-html5/imports/ui/components/user-list/user-list-content/styles.scss
+++ b/bigbluebutton-html5/imports/ui/components/user-list/user-list-content/styles.scss
@@ -3,7 +3,7 @@
 
 .content {
   @extend %flex-column;
-  flex-grow: 9;
+  flex-grow: 1;
   overflow: hidden;
 }