diff --git a/angular-translate/angular-translate.d.ts b/angular-translate/angular-translate.d.ts
index c32ba59b73..b191bf4550 100644
--- a/angular-translate/angular-translate.d.ts
+++ b/angular-translate/angular-translate.d.ts
@@ -28,7 +28,7 @@ declare module angular.translate {
 
     interface IPartialLoader<T> {
         addPart(name : string, priority : number) : T;
-        setPart(lang : string, part : string, table : ITranslationTable)
+        setPart(lang : string, part : string, table : ITranslationTable) : T;
         deletePart(name : string) : T;
         isPartAvailable(name : string) : boolean;
     }