diff --git a/digilent_spi.c b/digilent_spi.c
index afdbcd3..ee4d497 100644
--- a/digilent_spi.c
+++ b/digilent_spi.c
@@ -449,7 +449,7 @@
 	if (spi_set_mode(0x00) != 0)
 		goto close_handle;
 
-	return register_spi_master(&spi_master_digilent_spi, NULL);
+	return register_spi_master(&spi_master_digilent_spi, 0, NULL);
 
 close_handle:
 	libusb_close(handle);