diff --git a/config/u-boot/boot.cmd b/config/u-boot/boot.cmd
index 8cb8e5fc2..64e9c05bc 100644
--- a/config/u-boot/boot.cmd
+++ b/config/u-boot/boot.cmd
@@ -4,7 +4,10 @@ if test ${boot_dev} = ""; then
 fi;
 
 if test ${dev_num} = ""; then
-	setenv dev_num 0;
+	setenv dev_num ${devnum}
+	if test ${dev_num} = ""; then
+		setenv dev_num 0;
+	fi;
 fi;
 
 if test ${boot_part} = ""; then
diff --git a/config/u-boot/boot.scr b/config/u-boot/boot.scr
index 370ddde49..875e09dc2 100644
Binary files a/config/u-boot/boot.scr and b/config/u-boot/boot.scr differ