diff --git a/js-data/js-data.d.ts b/js-data/js-data.d.ts
index 58bef671b1..284e66486b 100644
--- a/js-data/js-data.d.ts
+++ b/js-data/js-data.d.ts
@@ -15,7 +15,7 @@ declare namespace JSData {
         catch<U>(onRejected?:(error:any) => U | JSDataPromise<U>): JSDataPromise<U>;
 
         // enhanced with finally
-        finally<U>(finallyCb?:() => U):JSDataPromise<U>;
+        finally(finallyCb?:() => any): JSDataPromise<R>;
     }
 
     interface DSConfiguration extends IDSResourceLifecycleEventHandlers {