diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index ae32d58bf..1fdbc7835 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -27,7 +27,7 @@ jobs:
         git pull || true
         export OMR_FEED_URL="https://github.com/ysurac/openmptcprouter-feeds"
         export OMR_FEED_SRC="develop"
-        sh build.sh -j$(nproc)
+        sh build.sh -j1 V=s
         #echo -e "$OMR_PRIVKEY" > /home/runner/work/openmptcprouter-feeds/openmptcprouter-feeds/openmptcprouter/${{ env.OMR_TARGET }}/source/key-build
         #echo -e "$OMR_PUBKEY" > /home/runner/work/openmptcprouter-feeds/openmptcprouter-feeds/openmptcprouter/${{ env.OMR_TARGET }}/source/key-build.pub