diff --git a/q/Q-tests.ts b/q/Q-tests.ts
index 3407259ca..21fc95138 100644
--- a/q/Q-tests.ts
+++ b/q/Q-tests.ts
@@ -79,6 +79,9 @@ declare var jPromise: JQueryPromise<string>;
 Q<string>(jPromise).then(str => str.split(','));
 jPromise.then<number>(returnsNumPromise);
 
+// watch the typing flow through from jQueryPromise to Q.Promise
+Q(jPromise).then(str => str.split(','));
+
 declare var promiseArray: Q.IPromise<number>[];
 var qPromiseArray = promiseArray.map(p => Q<number>(p));
 var myNums: any[] = [2, 3, Q(4), 5, Q(6), Q(7)];
diff --git a/q/Q.d.ts b/q/Q.d.ts
index e56d5cc17..31537423f 100644
--- a/q/Q.d.ts
+++ b/q/Q.d.ts
@@ -3,8 +3,11 @@
 // Definitions by: Barrie Nemetchek, Andrew Gaspar
 // Definitions: https://github.com/borisyankov/DefinitelyTyped  
 
-declare function Q<T>(value: T): Q.Promise<T>;
+/// <reference path="../jquery/jquery.d.ts"/>
+
 declare function Q<T>(promise: Q.IPromise<T>): Q.Promise<T>;
+declare function Q<T>(promise: JQueryPromise<T>): Q.Promise<T>;
+declare function Q<T>(value: T): Q.Promise<T>;
 
 declare module Q {
     interface IPromise<T> {