diff --git a/.github/workflows/polkadotjs-cli.yml b/.github/workflows/polkadotjs-cli.yml
index 02281af..53ddc47 100644
--- a/.github/workflows/polkadotjs-cli.yml
+++ b/.github/workflows/polkadotjs-cli.yml
@@ -25,7 +25,8 @@ jobs:
       id: vars
       run: |
         export COMMIT_SHA=${{ github.sha }}
-        echo "IMAGE_DATE_TAG='${COMMIT_SHA:0:8}-$(date +%Y%m%d)'" >> $GITHUB_OUTPUT  
+        IMAGE_DATE_TAG="${COMMIT_SHA:0:8}-$(date +%Y%m%d)"
+        echo "IMAGE_DATE_TAG=${IMAGE_DATE_TAG}" >> $GITHUB_OUTPUT
 
     - name: build and push staging
       if: ${{ github.event_name == 'pull_request' }}
@@ -48,4 +49,4 @@ jobs:
         image-name: ${{ env.IMAGE_NAME }}
         image-tags: >
           ${{ steps.vars.outputs.IMAGE_DATE_TAG }}
-          latest
\ No newline at end of file
+          latest