diff --git a/src/auto/injector.js b/src/auto/injector.js
index 57b311f66c7e..e30a2fe89427 100644
--- a/src/auto/injector.js
+++ b/src/auto/injector.js
@@ -70,7 +70,7 @@ var STRIP_COMMENTS = /((\/\/.*$)|(\/\*[\s\S]*?\*\/))/mg;
var $injectorMinErr = minErr('$injector');
function extractArgs(fn) {
- var fnText = fn.toString().replace(STRIP_COMMENTS, ''),
+ var fnText = Function.prototype.toString.call(fn).replace(STRIP_COMMENTS, ''),
args = fnText.match(ARROW_ARG) || fnText.match(FN_ARGS);
return args;
}
diff --git a/test/auto/injectorSpec.js b/test/auto/injectorSpec.js
index fdd455a35247..f70695012903 100644
--- a/test/auto/injectorSpec.js
+++ b/test/auto/injectorSpec.js
@@ -241,6 +241,12 @@ describe('injector', function() {
expect($f_n0.$inject).toEqual(['$a_']);
});
+ it('should handle functions with overridden toString', function() {
+ function fn(a) {}
+ fn.toString = function() { return 'fn'; };
+ expect(annotate(fn)).toEqual(['a']);
+ expect(fn.$inject).toEqual(['a']);
+ });
it('should throw on non function arg', function() {
expect(function() {
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