diff --git a/.buildbot/openwrt/build.sh b/.buildbot/openwrt/build.sh
index 9a74d7b..5563421 100755
--- a/.buildbot/openwrt/build.sh
+++ b/.buildbot/openwrt/build.sh
@@ -48,7 +48,8 @@ make package/nvme-cli/compile
 make package/ansible-core/compile
 make package/asterisk-chan-quectel/compile
 make $MAKEOPTS package/collectd/compile
-make $MAKEOPTS package/kernel-custom/compile
+# FIXME: need to extend the regexp for errors
+make $MAKEOPTS V=s package/kernel-custom/compile 2>&1 | grep '^make'
 
 sdkdir=$(pwd)
 cd ${pwd}