diff --git a/.github/workflows/container.yml b/.github/workflows/container.yml
index d7b7bc6..e528e52 100644
--- a/.github/workflows/container.yml
+++ b/.github/workflows/container.yml
@@ -44,7 +44,7 @@ jobs:
         tags: |
           type=ref,event=branch
           type=ref,event=tag
-          type=sha,format=long
+          type=sha,prefix=,format=long
 
     - name: Build and push container image
       uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc