diff --git a/.jshintrc b/.jshintrc
index 026666ad5f..b401f6280d 100644
--- a/.jshintrc
+++ b/.jshintrc
@@ -1,10 +1,16 @@
 {
   "bitwise": true,
+  "camelcase": true,
+  "curly": true,
+  "es3": true,
   "eqnull": true,
+  "freeze": true,
   "globals": {
     "define": true
   },
   "indent": 2,
   "maxlen": 80,
+  "noarg": true,
+  "nonew": true,
   "quotmark": "single"
 }
diff --git a/dist/js/select2.amd.full.js b/dist/js/select2.amd.full.js
index 211a52fb1b..702d3dc48d 100644
--- a/dist/js/select2.amd.full.js
+++ b/dist/js/select2.amd.full.js
@@ -666,7 +666,7 @@ define('select2/data/ajax',[
     var self = this;
 
     var options = $.extend({
-      type: 'GET',
+      type: 'GET'
     }, this.ajaxOptions);
 
     if (typeof options.url === 'function') {
diff --git a/dist/js/select2.amd.js b/dist/js/select2.amd.js
index 211a52fb1b..702d3dc48d 100644
--- a/dist/js/select2.amd.js
+++ b/dist/js/select2.amd.js
@@ -666,7 +666,7 @@ define('select2/data/ajax',[
     var self = this;
 
     var options = $.extend({
-      type: 'GET',
+      type: 'GET'
     }, this.ajaxOptions);
 
     if (typeof options.url === 'function') {
diff --git a/dist/js/select2.full.js b/dist/js/select2.full.js
index 107009367e..30c321fc7f 100644
--- a/dist/js/select2.full.js
+++ b/dist/js/select2.full.js
@@ -10203,7 +10203,7 @@ define('select2/data/ajax',[
     var self = this;
 
     var options = $.extend({
-      type: 'GET',
+      type: 'GET'
     }, this.ajaxOptions);
 
     if (typeof options.url === 'function') {
diff --git a/dist/js/select2.js b/dist/js/select2.js
index 458f1c6f51..34d6e6a268 100644
--- a/dist/js/select2.js
+++ b/dist/js/select2.js
@@ -1094,7 +1094,7 @@ define('select2/data/ajax',[
     var self = this;
 
     var options = $.extend({
-      type: 'GET',
+      type: 'GET'
     }, this.ajaxOptions);
 
     if (typeof options.url === 'function') {
diff --git a/src/js/select2/data/ajax.js b/src/js/select2/data/ajax.js
index f9f1ad4fdc..7d0ed695e3 100644
--- a/src/js/select2/data/ajax.js
+++ b/src/js/select2/data/ajax.js
@@ -21,7 +21,7 @@ define([
     var self = this;
 
     var options = $.extend({
-      type: 'GET',
+      type: 'GET'
     }, this.ajaxOptions);
 
     if (typeof options.url === 'function') {