diff --git a/quixote/quixote-tests.ts b/quixote/quixote-tests.ts
index 9217a076e..ee6b6e090 100644
--- a/quixote/quixote-tests.ts
+++ b/quixote/quixote-tests.ts
@@ -1,4 +1,4 @@
-/// <reference path="mocha/mocha.d.ts" />
+/// <reference path="/mocha/mocha.d.ts" />
 /// <reference path="quixote.d.ts" />
 
 function test_createFrame() {
diff --git a/quixote/quixote.d.ts b/quixote/quixote.d.ts
index af9bf0056..bc9100b71 100644
--- a/quixote/quixote.d.ts
+++ b/quixote/quixote.d.ts
@@ -226,8 +226,8 @@ declare module "quixote" {
     class Quixote {
         constructor();
         
-        createFrame(options, callback(err, frame)): QFrame;
+        createFrame(options, callback: (err: Error, frame: QFrame) => void): QFrame;
     }
 
     export = Quixote;
-}
+}
\ No newline at end of file