diff --git a/source/Ox/js/Collection.js b/source/Ox/js/Collection.js
index ce2c6cb4..efcb41ac 100644
--- a/source/Ox/js/Collection.js
+++ b/source/Ox/js/Collection.js
@@ -106,15 +106,16 @@ Ox.every <f> Tests if every element of a collection satisfies a given condition
     true
     > Ox.every({a: 1, b: 2, c: 3}, function(v) { return v == 1; })
     false
-    > Ox.every("foo", function(v) { return v == 'f'; })
+    > Ox.every('foo', function(v) { return v == 'f'; })
     false
     > Ox.every([true, true, true])
     true
 @*/
 Ox.every = function(collection, iterator, that) {
-    return Ox.filter(
-        Ox.values(collection), iterator || Ox.identity, that
-    ).length == Ox.len(collection);
+    iterator = iterator || Ox.identity;
+    return Ox.forEach(collection, function(value, key, collection) {
+        return !!iterator.call(that, value, key, collection);
+    }) == Ox.len(collection);
 };
 
 /*@