diff --git a/lib/src/common.dart b/lib/src/common.dart
index 1da1bcbb..a37eaf2f 100644
--- a/lib/src/common.dart
+++ b/lib/src/common.dart
@@ -61,7 +61,7 @@ dynamic jsify(dynamic obj) {
     return new JsObject.jsify(m);
   } else if (obj is Iterable) {
     // Do a deep convert.
-    return new JsArray.from(obj).map(jsify);
+    return new JsArray.from(obj.map(jsify));
   } else {
     return obj;
   }