diff --git a/src/dom/selector.js b/src/dom/selector.js
index b9b8c0e..5946ea4 100644
--- a/src/dom/selector.js
+++ b/src/dom/selector.js
@@ -450,7 +450,7 @@ Object.extend(Selector, {
         isBuggy = (el.getAttribute(propName) === value);
         el = null;
         return isBuggy;
-      });
+      })();
       
       return PROPERTIES_ATTRIBUTES_MAP ?
         function(nodes) {