diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 65b4a6b18..d21c5c096 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -44,7 +44,7 @@ jobs:
         SOURCE_NAME: ${{ steps.branch_name.outputs.SOURCE_NAME }}
         OMR_TARGET: ${{ matrix.OMR_TARGET }}
       run: |
-        OMR_FEED_SRC="${SOURCE_NAME}" sh build.sh prepare {tools,toolchain}/install -j$(nproc)
+        OMR_FEED_SRC="${SOURCE_NAME}" sh build.sh prepare {tools,toolchain}/install -j$(nproc) || OMR_FEED_SRC="${SOURCE_NAME}" sh build.sh prepare {tools,toolchain}/install -j1 V=s
         #echo -e "${{ secrets.OMR_PRIVKEY }}" > $OMR_TARGET/source/key-build
         #echo -e "${{ secrets.OMR_PUBKEY }}" > $OMR_TARGET/source/key-build.pub
     - name: Build packages
@@ -52,13 +52,13 @@ jobs:
       env:
         OMR_TARGET: ${{ matrix.OMR_TARGET }}
       run: |
-        make IGNORE_ERRORS=m -C $OMR_TARGET/source package/{compile,install,index} -j$(nproc)
+        make IGNORE_ERRORS=m -C $OMR_TARGET/source package/{compile,install,index} -j$(nproc) || make IGNORE_ERRORS=m -C $OMR_TARGET/source package/{compile,install,index} -j1 V=s
     - name: Build image
       working-directory: ./openmptcprouter
       env:
         OMR_TARGET: ${{ matrix.OMR_TARGET }}
       run: |
-        make IGNORE_ERRORS=m -C $OMR_TARGET/source target/install -j$(nproc)
+        make IGNORE_ERRORS=m -C $OMR_TARGET/source target/install -j$(nproc) || make IGNORE_ERRORS=m -C $OMR_TARGET/source target/install -j1 V=s
     - name: Upload artifacts
       uses: actions/upload-artifact@v2
       with: