diff --git a/q/Q.d.ts b/q/Q.d.ts
index fd81031fe..044f9752f 100644
--- a/q/Q.d.ts
+++ b/q/Q.d.ts
@@ -42,7 +42,7 @@ interface QStatic {
     fcall(method: Function, ...args: any[]): Qpromise;
     all(promises: Qpromise[]): Qpromise;
     allResolved(promises: Qpromise[]): Qpromise;
-    resolve(object?:Qpromise);
+    resolve(object:any):Qpromise;
     spread(onFulfilled: Function, onRejected: Function): Qpromise;
     timeout(ms: number): Qpromise;
     delay(ms: number): Qpromise;