diff --git a/vendor/nwmatcher/selector_engine.js b/vendor/nwmatcher/selector_engine.js
index 4db802c..fea4a02 100644
--- a/vendor/nwmatcher/selector_engine.js
+++ b/vendor/nwmatcher/selector_engine.js
@@ -8,19 +8,19 @@ delete Prototype._original_nw;
 
 Prototype.Selector = (function(NW) {
   function select(selector, scope) {
-    var results = [];
+    var results = [], resultsIndex = 0;
     NW.select(selector, scope || document, null, function(element) {
-      results.push(Element.extend(element));
+      results[resultsIndex++] = Element.extend(element);
     });
     return results;
   }
 
   function filter(elements, selector) {
-    var results = [], element;
+    var results = [], resultsIndex = 0, element;
     for (var i = 0, length = elements.length; i < length; i++) {
       element = elements[i];
       if (NW.match(element, selector)) {
-        results.push(Element.extend(element))
+        results[resultsIndex++] = Element.extend(element);
       }
     }
     return results;