diff --git a/meta/recipes-bsp/u-boot/u-boot.inc b/meta/recipes-bsp/u-boot/u-boot.inc
index 54ea2e9e50..70fb192d6e 100644
--- a/meta/recipes-bsp/u-boot/u-boot.inc
+++ b/meta/recipes-bsp/u-boot/u-boot.inc
@@ -209,6 +209,7 @@ RDEPENDS:${PN} += "${PN}-env"
do_deploy () {
if [ -n "${UBOOT_CONFIG}" ]
then
+        unset i j
for config in ${UBOOT_MACHINE}; do
i=$(expr $i + 1);
for type in ${UBOOT_CONFIG}; do