diff --git a/phpBB/styles/prosilver/theme/common.css b/phpBB/styles/prosilver/theme/common.css
index 6223b22173..a0dc5e043b 100644
--- a/phpBB/styles/prosilver/theme/common.css
+++ b/phpBB/styles/prosilver/theme/common.css
@@ -1274,6 +1274,10 @@ ul.linklist:after,
 	width: 50px;
 }
 
+.dropdown .clone.hidden  {
+	display: none;
+}
+
 .dropdown .clone.hidden + li.separator {
 	display: none;
 }