diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 58e79454..227d63ce 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -94,9 +94,9 @@ jobs:
       - name: Summarize the Docker digest
         run: |
           echo 'Digest: ${{ steps.build-docker.outputs.digest }}'
-          echo ARM_${{ matrix.python-version }}_DIGEST=${{ steps.build-docker.outputs.digest }} >> $GITHUB_OUTPUT
-          echo ARM_3_10_DIGEST=${{ steps.build-docker.outputs.digest }} >> $GITHUB_OUTPUT
-          echo 'Digest 2: ${{ steps.outputs.ARM_${{ matrix.python-version }}_DIGEST }}'
+          PY_VERSION=${{ matrix.python-version }}
+          echo ARM_${PY_VERSION/./_}_DIGEST="${{ steps.build-docker.outputs.digest }}"
+          echo ARM_${PY_VERSION/./_}_DIGEST="${{ steps.build-docker.outputs.digest }}" >> $GITHUB_OUTPUT
           echo 'Digest 3: ${{ steps.outputs.ARM_3_10_DIGEST }}'