diff --git a/.github/workflows/container-build.yml b/.github/workflows/container-build.yml
index 3eaa72c70..e418a5e34 100644
--- a/.github/workflows/container-build.yml
+++ b/.github/workflows/container-build.yml
@@ -34,11 +34,11 @@ jobs:
       - name: Create Image Tags
         id: image-tag
         run: |
-          python -c "print(', '.join([f'ghcr.io/fkie-cad/logprep:py${{ matrix.python-version }}-{tag.strip()}' for tag in '${{ inputs.tags }}'.split(',')]))"  >> $GITHUB_OUTPUT
+          python -c "print("tags", ', '.join([f'ghcr.io/fkie-cad/logprep:py${{ matrix.python-version }}-{tag.strip()}' for tag in '${{ inputs.tags }}'.split(',')]), sep="")"  >> $GITHUB_OUTPUT
 
       - name: Debug Image Tag
         run: |
-          echo "${{ steps.image-tag.outputs.stdout }}"
+          echo "${{ steps.image-tag.outputs.tags }}"
 
       - name: Build image and export to Docker
         uses: docker/build-push-action@v6