diff --git a/.github/workflows/build-docker.yml b/.github/workflows/build-docker.yml
index 06ca61b9..fdf2891e 100644
--- a/.github/workflows/build-docker.yml
+++ b/.github/workflows/build-docker.yml
@@ -36,9 +36,11 @@ jobs:
           if [[ '${{ env.BINDINGS_REF }}' == 'master' ]]; then
               echo "PRECICE_TAG=latest" >> "$GITHUB_ENV"
               echo "TAG=latest" >> "$GITHUB_ENV"
+              echo "Building TAG: latest"
           else
               echo "PRECICE_TAG=${{ env.BINDINGS_REF }}" >> "$GITHUB_ENV"
               echo "TAG=${{ env.BINDINGS_REF }}" >> "$GITHUB_ENV"
+              echo "Building TAG: ${{ env.BINDINGS_REF }}"
           fi   
       - name: Checkout Repository
         uses: actions/checkout@v2
@@ -57,4 +59,4 @@ jobs:
           tags: ${{ env.docker_username }}/python-bindings:${{ env.TAG }}
           build-args: |
             PRECICE_TAG=${{ env.PRECICE_TAG }}
-            PYTHON_BINDINGS_REF = ${{ env.BINDINGS_REF }}
+            PYTHON_BINDINGS_REF=${{ env.BINDINGS_REF }}
diff --git a/tools/releasing/packaging/docker/Dockerfile b/tools/releasing/packaging/docker/Dockerfile
index f9d59d51..84c4fdf8 100644
--- a/tools/releasing/packaging/docker/Dockerfile
+++ b/tools/releasing/packaging/docker/Dockerfile
@@ -41,8 +41,7 @@ SHELL ["/bin/bash", "-c"]
 RUN python3 -m pip install --user --upgrade pip
 
 # Rebuild image if force_rebuild after that command
-ARG CACHEBUST
 ARG PYTHON_BINDINGS_REF=develop
 
 # Builds the precice python bindings for python3
-RUN pip3 install --user git+https://github.com/precice/python-bindings.git@$PYTHON_BINDINGS_REF
+RUN pip3 install --user git+https://github.com/precice/python-bindings.git@${PYTHON_BINDINGS_REF}