diff --git a/src/ng/directive/input.js b/src/ng/directive/input.js
index 8307f7e816e8..b7763cc892ac 100644
--- a/src/ng/directive/input.js
+++ b/src/ng/directive/input.js
@@ -1000,7 +1000,7 @@ var NgModelController = ['$scope', '$exceptionHandler', '$attrs', '$element', '$
   this.$name = $attr.name;
 
   var ngModelGet = $parse($attr.ngModel),
-      ngModelSet = ngModelGet.assign;
+      ngModelSet = this.$setModelValue = ngModelGet.assign;
 
   if (!ngModelSet) {
     throw minErr('ngModel')('nonassign', "Expression '{0}' is non-assignable. Element: {1}",