diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index e31a188a..90e44fb0 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -194,10 +194,11 @@ jobs:
       - name: id
         run: |
           echo "${digest}"
-          echo "${digests}"
+          echo "${{ format ( 'needs.build.outputs.{0}_digest', matrix.service) }}"
+          echo "${{ needs.build.outputs[format ('{0}_digest', matrix.service)] }}"
         env:
           digest: ${{ env.aries-endorser-api_digest }}
-          digests: echo ${{ needs.build.outputs[format('env.{0}_digest', matrix.service)] }}
+          digests: echo ${{ format('env.{0}_digest', matrix.service) }}
 
       - name: Checkout
         uses: actions/checkout@v3