1 files changed, 2 insertions, 0 deletions
diff --git a/src/Injector.js b/src/Injector.js
index 2b692aaf..d2bafcf5 100644
--- a/src/Injector.js
+++ b/src/Injector.js
@@ -1,3 +1,5 @@
+'use strict';
+
 /**
  * @ngdoc function
  * @name angular.injector