diff --git a/angularjs/angular.d.ts b/angularjs/angular.d.ts
index 9f7fa07b00..6e42cabf5e 100644
--- a/angularjs/angular.d.ts
+++ b/angularjs/angular.d.ts
@@ -794,7 +794,7 @@ declare module angular {
     }
     
     interface IFilterPredicateFunc<T> {
-        (value: T, index: number, array: T[]): T[];
+        (value: T, index: number, array: T[]): boolean;
     }
     
     interface IFilterComparatorFunc<T> {