diff --git a/.buildbot/openwrt/build.sh b/.buildbot/openwrt/build.sh
index 46018db..72ef9a4 100755
--- a/.buildbot/openwrt/build.sh
+++ b/.buildbot/openwrt/build.sh
@@ -49,7 +49,8 @@ make package/nvme-cli/compile
 make package/ansible-core/compile
 ${MAKE} package/asterisk-chan-quectel/compile
 ${MAKE} package/collectd/compile
-${MAKE} package/kernel-custom/compile
+# FIXME: need to extend the regexp for errors
+${MAKE} V=s package/kernel-custom/compile 2>&1 | grep '^make'
 
 sdkdir=$(pwd)
 cd ${pwd}