diff --git a/serprog.c b/serprog.c
index 257562a..e1d33ed 100644
--- a/serprog.c
+++ b/serprog.c
@@ -766,7 +766,7 @@
 	if (serprog_buses_supported & BUS_SPI)
 		register_spi_master(&spi_master_serprog, 0, NULL);
 	if (serprog_buses_supported & BUS_NONSPI)
-		register_par_master(&par_master_serprog, serprog_buses_supported & BUS_NONSPI, 0, NULL);
+		register_par_master(&par_master_serprog, serprog_buses_supported & BUS_NONSPI, 0, 0, NULL);
 	return 0;
 
 init_err_cleanup_exit: