diff --git a/.github/workflows/docker-build-and-push.yml b/.github/workflows/docker-build-and-push.yml
index 66809a0..21f32e0 100644
--- a/.github/workflows/docker-build-and-push.yml
+++ b/.github/workflows/docker-build-and-push.yml
@@ -44,7 +44,7 @@ jobs:
       - 
         name: Get short SHA
         id: slug
-        run: echo "name=sha7::$(echo ${GITHUB_SHA} | cut -c1-7)" >> $GITHUB_OUTPUT
+        run: echo "name=sha7::$(echo ${GITHUB_SHA} | cut -c1-7)" >> "$GITHUB_OUTPUT"
       -
         name: Build and push
         uses: docker/build-push-action@v5