diff --git a/packages/blaze/builtins.js b/packages/blaze/builtins.js
index 16bffc43e8..bfc41ffaaa 100644
--- a/packages/blaze/builtins.js
+++ b/packages/blaze/builtins.js
@@ -34,7 +34,8 @@ Blaze.With = Blaze.Controller.extend({
 
     Blaze.With.__super__.constructor.call(this);
 
-    this.dataVar = (data instanceof Blaze.Var) ? data : Blaze.Var(data);
+    this.dataVar = (data instanceof Blaze.Var) ? data :
+      Blaze.Var(data, UI.safeEquals);
     this.func = func;
   },
   render: function () {