diff --git a/wp-admin/js/common.dev.js b/wp-admin/js/common.dev.js
index 4c87a877fa..e839327f0f 100644
--- a/wp-admin/js/common.dev.js
+++ b/wp-admin/js/common.dev.js
@@ -216,7 +216,7 @@ $(document).ready( function() {
 			m.addClass('sub-open');
 		},
 		out: function(){
-			$(this).find('.wp-submenu').removeClass('sub-open');
+			$(this).find('.wp-submenu').removeClass('sub-open').css('margin-top', '');
 		},
 		timeout: 200,
 		sensitivity: 7,