diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 4917f02..0458733 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -778,7 +778,7 @@
 {
 	int ret;
 
-	ret = mmc_part_switch(0);
+	ret = mmc_part_switch(PART_CFG_BOOT_PARTITION_NO_ACCESS);
 	if (ret < 0) {
 		ERROR("Failed to switch to user partition, %d\n", ret);
 	}