diff --git a/src/.jshintrc b/src/.jshintrc
index 70c481c30..b8c73f287 100644
--- a/src/.jshintrc
+++ b/src/.jshintrc
@@ -1,6 +1,8 @@
 {
   "extends": "../.jshintrc-base",
   "browser": true,
+  "eqeqeq": true,
+  "eqnull": true,
   "globals": {
     /* auto/injector.js */
     "createInjector": false,
diff --git a/src/ngLocale/.jshintrc b/src/ngLocale/.jshintrc
index 7d6fdd37a..9a6a603a6 100644
--- a/src/ngLocale/.jshintrc
+++ b/src/ngLocale/.jshintrc
@@ -2,6 +2,7 @@
   "extends": "../../.jshintrc-base",
   "bitwise": false, /* locale files use bitwise operators */
   "maxlen": false, /* locale files are generated from a 3rd party library that has long lines */
+  "eqeqeq": false,
   "browser": true,
   "globals": {
     "angular": false