diff --git a/drkaiser.c b/drkaiser.c
index 379fff9..dd2d68b 100644
--- a/drkaiser.c
+++ b/drkaiser.c
@@ -77,7 +77,7 @@
 		return 1;
 
 	max_rom_decode.parallel = 128 * 1024;
-	register_par_master(&par_master_drkaiser, BUS_PARALLEL);
+	register_par_master(&par_master_drkaiser, BUS_PARALLEL, NULL);
 
 	return 0;
 }