diff --git a/.buildbot/openwrt/build.sh b/.buildbot/openwrt/build.sh
index b6fd752..bbdaa13 100755
--- a/.buildbot/openwrt/build.sh
+++ b/.buildbot/openwrt/build.sh
@@ -41,8 +41,7 @@ echo "CONFIG_KERNEL_NVME_HWMON=y" >> .config
 echo "CONFIG_KERNEL_NVME_MULTIPATH=n" >> .config
 
 # Kernel modules
-touch target/linux/${OPENWRT_TARGET}/Makefile
-make target/linux
+TARGET_BUILD=1 make target/linux
 
 ${MAKE} package/i2c-tools/compile
 make package/kmod-i2c-mux-pinctrl/compile
@@ -54,7 +53,7 @@ ${MAKE} package/asterisk-chan-quectel/compile
 ${MAKE} package/collectd/compile
 
 # Kernel image
-make target/linux
+TARGET_BUILD=1 make target/linux
 
 sdkdir=$(pwd)
 cd ${pwd}