diff --git a/sites/all/modules/admin/includes/jquery.drilldown.js b/sites/all/modules/admin/includes/jquery.drilldown.js
index 440ad41..a74e253 100644
--- a/sites/all/modules/admin/includes/jquery.drilldown.js
+++ b/sites/all/modules/admin/includes/jquery.drilldown.js
@@ -122,9 +122,9 @@
           // Set initial active menu state.
           var activeLink;
           $('ul.menu a', menu).removeClass('active');
-          if (settings.activePath && $('ul.menu a[href='+settings.activePath+']', menu).size() > 0) {
+          if (settings.activePath && $('ul.menu a[href="'+settings.activePath+'"]', menu).size() > 0) {
             this.activePath = settings.activePath;
-            activeLink = $('ul.menu a[href='+settings.activePath+']', menu).addClass('active');
+            activeLink = $('ul.menu a[href="'+settings.activePath+'"]', menu).addClass('active');
           }
           if (!activeLink) {
             activeLink = $('ul.menu a.active', menu).size() ? $('ul.menu a.active', menu) : $('ul.menu > li > a', menu);
@@ -145,7 +145,7 @@
               }
               else {
                 var url = $(this).children('a').attr('href');
-                var activeLink = $('ul.menu a[href='+url+']', menu);
+                var activeLink = $('ul.menu a[href="'+url+'"]', menu);
                 menu.drilldown('setActive', {
                   activeLink: activeLink,
                   trail: settings.trail,