diff --git a/src/ng/directive/input.js b/src/ng/directive/input.js
index 1b393676cd79..029ff3fda0c5 100644
--- a/src/ng/directive/input.js
+++ b/src/ng/directive/input.js
@@ -2613,7 +2613,7 @@ var maxlengthDirective = function() {
         ctrl.$validate();
       });
       ctrl.$validators.maxlength = function(modelValue, viewValue) {
-        return ctrl.$isEmpty(modelValue) || viewValue.length <= maxlength;
+        return ctrl.$isEmpty(modelValue) || maxlength == 0 || viewValue.length <= maxlength;
       };
     }
   };