diff --git a/.github/workflows/onpush_builder.yaml b/.github/workflows/onpush_builder.yaml
index e82e1c654..f0e12b5e0 100644
--- a/.github/workflows/onpush_builder.yaml
+++ b/.github/workflows/onpush_builder.yaml
@@ -75,7 +75,7 @@ jobs:
              echo "build_arch=true";
              echo "image=$(echo ${{ steps.info.outputs.image }} | cut -d'/' -f3)";
              if [[ -z "$HEAD" ]] && [[ "${{ github.event_name }}" == "push" ]]; then
-                 echo "BUILD_ARGS=" >> $GITHUB_ENV;
+                 echo "BUILD_ARGS=" >> "$GITHUB_ENV";
              fi
            else
              echo "${{ matrix.arch }} is not a valid arch for ${{ matrix.addon }}, skipping build";