diff --git a/package/boot/uboot-envtools/files/ipq40xx b/package/boot/uboot-envtools/files/ipq40xx
index 9a71a622f7b..59ad9631689 100644
--- a/package/boot/uboot-envtools/files/ipq40xx
+++ b/package/boot/uboot-envtools/files/ipq40xx
@@ -26,6 +26,7 @@ ubootenv_mtdinfo () {
 	fi
 
 	sectors=$(( $ubootenv_size / $mtd_erase ))
+	sectors=$(printf "0x%x" $sectors )
 	echo /dev/$mtd_dev 0x0 $ubootenv_size $mtd_erase $sectors
 }
 
diff --git a/package/boot/uboot-envtools/files/ipq806x b/package/boot/uboot-envtools/files/ipq806x
index a8285d14527..77dfefbcd81 100644
--- a/package/boot/uboot-envtools/files/ipq806x
+++ b/package/boot/uboot-envtools/files/ipq806x
@@ -26,6 +26,7 @@ ubootenv_mtdinfo () {
 	fi
 
 	sectors=$(( $ubootenv_size / $mtd_erase ))
+	sectors=$(printf "0x%x" $sectors )
 	echo /dev/$mtd_dev 0x0 $ubootenv_size $mtd_erase $sectors
 }