diff --git a/arch/arm/mach-rockchip/boot_mode.c b/arch/arm/mach-rockchip/boot_mode.c
index c4d91fb9a0..bd031fe519 100644
--- a/arch/arm/mach-rockchip/boot_mode.c
+++ b/arch/arm/mach-rockchip/boot_mode.c
@@ -182,7 +182,7 @@ int setup_boot_mode(void)
 		break;
 	case BOOT_MODE_LOADER:
 		printf("enter Rockusb!\n");
-		env_set("preboot", "setenv preboot; rockusb 0 ${devtype} ${devnum}");
+		env_set("preboot", "setenv preboot; rockusb 0 ${devtype} ${devnum}; rbrom");
 		break;
 	case BOOT_MODE_CHARGING:
 		printf("enter charging!\n");