diff --git a/drivers/staging/greybus/loopback.c b/drivers/staging/greybus/loopback.c
index 9860d64e50ba..20aabebf0140 100644
--- a/drivers/staging/greybus/loopback.c
+++ b/drivers/staging/greybus/loopback.c
@@ -123,7 +123,7 @@ static void gb_loopback_check_attr(struct gb_loopback *gb)
 {
 	if (gb->ms_wait > 1000)
 		gb->ms_wait = 1000;
-	if (gb->type > 3)
+	if (gb->type > 2)
 		gb->type = 0;
 	if (gb->size > GB_LOOPBACK_SIZE_MAX)
 		gb->size = GB_LOOPBACK_SIZE_MAX;