diff --git a/.github/workflows/push-docker-images.yaml b/.github/workflows/push-docker-images.yaml
index b70fd68..ee196ae 100644
--- a/.github/workflows/push-docker-images.yaml
+++ b/.github/workflows/push-docker-images.yaml
@@ -24,7 +24,7 @@ jobs:
         uses: actions/github-script@v5
         with:
           script: |
-            const tag = ${{github.event.inputs.branch}} ? ${{github.event.inputs.branch}} : 'latest'
+            const tagName = "${{ github.event.inputs.branch }}" || 'latest';
             console.log('Will use tag: ' + tagName);
             return tagName;
           result-encoding: string