diff --git a/.github/workflows/cd.yaml b/.github/workflows/cd.yaml
index c5b78da75..316862388 100644
--- a/.github/workflows/cd.yaml
+++ b/.github/workflows/cd.yaml
@@ -45,7 +45,7 @@ jobs:
             type=ref,event=branch
             type=ref,event=pr
             type=sha
-            type=raw,value=latest,enable=${{is_default_branch}}
+            type=raw,value=latest,enable={{is_default_branch}}
 
       - name: Build EDC-UI image
         uses: docker/build-push-action@v2