diff --git a/src/vue-inputmask.js b/src/vue-inputmask.js
index c97eaf4..5f5eba5 100644
--- a/src/vue-inputmask.js
+++ b/src/vue-inputmask.js
@@ -12,9 +12,12 @@ var inputmaskPlugin = {
         Vue.directive('mask', {
             bind: function(el, binding) {
                 Inputmask(binding.value).mask(el);
+            },
+            update: function(el, binding){
+                Inputmask(binding.value).mask(el);
             }
         });
     }
 };
 
-exports.default = inputmaskPlugin
\ No newline at end of file
+exports.default = inputmaskPlugin