diff --git a/dediprog.c b/dediprog.c
index fc1995b..d6654f4 100644
--- a/dediprog.c
+++ b/dediprog.c
@@ -1271,7 +1271,7 @@
 	    (dediprog_devicetype == DEV_SF600 && protocol() == PROTOCOL_V3))
 		spi_master_dediprog.features &= ~SPI_MASTER_NO_4BA_MODES;
 
-	if (protocol() == PROTOCOL_V2)
+	if (protocol() >= PROTOCOL_V2)
 		spi_master_dediprog.features |= SPI_MASTER_4BA;
 
 	if (register_spi_master(&spi_master_dediprog) || dediprog_set_leds(LED_NONE))