diff --git a/src/main/ui/static/merchantapplication/merchant_application.js b/src/main/ui/static/merchantapplication/merchant_application.js
index 9872b7f12..f35115004 100644
--- a/src/main/ui/static/merchantapplication/merchant_application.js
+++ b/src/main/ui/static/merchantapplication/merchant_application.js
@@ -60,6 +60,8 @@ angular.module('applyPartnerApp', ['ngMessages']).controller('applyPartnerCtrl',
     $scope.partner = {nation_code:"+61"};
     $scope.bankaccount = {};
     $scope.rate = {};
+    $scope.partner.client_pay_type = [];
+    $scope.partner.client_pay_desc = [];
     $scope.phone_code_timer=$interval(function () {}, 1000);
 
     $scope.loadRoyalpayindustry = function () {
@@ -229,8 +231,6 @@ angular.module('applyPartnerApp', ['ngMessages']).controller('applyPartnerCtrl',
         }
     };
 
-    $scope.partner.client_pay_type = [];
-    $scope.partner.client_pay_desc = [];
     var resetClientPayDescByTpey = function (type) {
         type = parseInt(type);
         if (type == 1) {
@@ -257,6 +257,10 @@ angular.module('applyPartnerApp', ['ngMessages']).controller('applyPartnerCtrl',
         }
     }
     $scope.toggleClientPayType = function (type) {
+        if ($scope.partner.client_pay_type == null) {
+            $scope.partner.client_pay_type = [];
+            $scope.partner.client_pay_desc = [];
+        }
         var $idx = $scope.partner.client_pay_type.indexOf(type);
         if ($idx >= 0) {
             $scope.partner.client_pay_type.splice($idx, 1);