diff --git a/types/angular-translate/index.d.ts b/types/angular-translate/index.d.ts
index 55c74629a8..69b1f63d72 100644
--- a/types/angular-translate/index.d.ts
+++ b/types/angular-translate/index.d.ts
@@ -71,6 +71,7 @@ declare module 'angular' {
             isReady(): boolean;
             onReady(): angular.IPromise<void>;
             resolveClientLocale(): string;
+            getAvailableLanguageKeys(): string[];
         }
 
         interface ITranslateProvider extends angular.IServiceProvider {