diff --git a/sys/osxvideo/osxvideosink.h b/sys/osxvideo/osxvideosink.h
index d1cff840e3..2d18f137c9 100644
--- a/sys/osxvideo/osxvideosink.h
+++ b/sys/osxvideo/osxvideosink.h
@@ -107,10 +107,10 @@ GType gst_osx_video_sink_get_type(void);
 @end
 
 
-#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_6
-@interface GstWindowDelegate : NSObject <NSWindowDelegate>
-#else
+#if MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_5
 @interface GstWindowDelegate : NSObject
+#else
+@interface GstWindowDelegate : NSObject <NSWindowDelegate>
 #endif
 {
   @public