diff --git a/source/Ox.js b/source/Ox.js
index cf9908a3..15e144d6 100644
--- a/source/Ox.js
+++ b/source/Ox.js
@@ -5038,7 +5038,7 @@ Ox.isEqual = function(a, b) {
             isEqual = a.isEqualNode(b);
         } else if (type == 'function') {
             // fixme: this doesn't do it
-            isEqual = a.toString() == b.toString();
+            // isEqual = a.toString() == b.toString();
         } else if (type == 'regexp') {
             isEqual = a.global == b.global && a.ignore == b.ignore
                 && a.multiline == b.multiline && a.source == b.source;