diff --git a/Tests/Manual/CPAnimationTest/AppController.j b/Tests/Manual/CPAnimationTest/AppController.j
index bce939242..7b739ae32 100644
--- a/Tests/Manual/CPAnimationTest/AppController.j
+++ b/Tests/Manual/CPAnimationTest/AppController.j
@@ -2,7 +2,7 @@
 @import <AppKit/AppKit.j>
 
 
-@implementation AppController : CPObject
+@implementation AppController : CPObject <CPAnimationDelegate>
 {
     @outlet CPWindow    theWindow;
     @outlet CPView      view;