diff --git a/themes/base/jquery.ui.menu.css b/themes/base/jquery.ui.menu.css
index 7854fe232..20fd2ce56 100644
--- a/themes/base/jquery.ui.menu.css
+++ b/themes/base/jquery.ui.menu.css
@@ -12,6 +12,7 @@
 	padding: 2px;
 	margin: 0;
 	display:block;
+	outline: none;
 }
 .ui-menu .ui-menu {
 	margin-top: -3px;