diff --git a/dummyflasher.c b/dummyflasher.c
index a5ff6e5..395186f 100644
--- a/dummyflasher.c
+++ b/dummyflasher.c
@@ -423,9 +423,9 @@
 		free(data);
 		return 1;
 	}
-	if (dummy_buses_supported & (BUS_PARALLEL | BUS_LPC | BUS_FWH))
+	if (dummy_buses_supported & BUS_NONSPI)
 		register_par_master(&par_master_dummy,
-				    dummy_buses_supported & (BUS_PARALLEL | BUS_LPC | BUS_FWH));
+				    dummy_buses_supported & BUS_NONSPI);
 	if (dummy_buses_supported & BUS_SPI)
 		register_spi_master(&spi_master_dummyflasher);