diff --git a/.github/workflows/build-release-image.yml b/.github/workflows/build-release-image.yml
index 6fbe174..8a73a6a 100644
--- a/.github/workflows/build-release-image.yml
+++ b/.github/workflows/build-release-image.yml
@@ -13,10 +13,10 @@ jobs:
     - uses: actions/checkout@v2
     - name: Build the Docker image
       run: >-
-        echo "Building ref $GITHUB_REF..."
-        RELEASE_TAG="${GITHUB_REF#refs/tags/release/}"
-        RELEASE_SERIES="${RELEASE_TAG%.*}"
-        RELEASE_VER="${RELEASE_TAG#$RELEASE_SERIES.}"
+        echo "Building ref $GITHUB_REF..." ;\
+        RELEASE_TAG="${GITHUB_REF#refs/tags/release/}" ;\
+        RELEASE_SERIES="${RELEASE_TAG%.*}" ;\
+        RELEASE_VER="${RELEASE_TAG#$RELEASE_SERIES.}" ;\
         docker build . \
           --file docker/Dockerfile \
           --build-arg=BUILD_SERIES="$RELEASE_SERIES" \