diff --git a/Limelight/Stream/Connection.m b/Limelight/Stream/Connection.m
index d70a0ca..1aaf0f1 100644
--- a/Limelight/Stream/Connection.m
+++ b/Limelight/Stream/Connection.m
@@ -399,7 +399,6 @@ static OSStatus playbackCallback(void *inRefCon,
                       &_clCallbacks,
                       &_drCallbacks,
                       &_arCallbacks,
-                      NULL,
                       NULL, 0, _serverMajorVersion);
 }