diff --git a/src/utils.js b/src/utils.js
index f2c00eaf4..af2423ef7 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -655,6 +655,9 @@
     }
 
     u.isVisible = function (el) {
+        if (u.hasClass('hidden', el)) {
+            return false;
+        }
         // XXX: Taken from jQuery's "visible" implementation
         return el.offsetWidth > 0 || el.offsetHeight > 0 || el.getClientRects().length > 0;
     };