diff --git a/.gitea/workflows/docker.yml b/.gitea/workflows/docker.yml
index 1266b26..5cb5cf1 100644
--- a/.gitea/workflows/docker.yml
+++ b/.gitea/workflows/docker.yml
@@ -62,7 +62,7 @@ jobs:
         id: meta
         uses: docker/metadata-action@8e5442c4ef9f78752691e2d8f8d19755c6f78e81 # v5.5.1
         with:
-          images: ${{ matrix.image }}:${{ matrix.base }}
+          images: ${{ matrix.image }}-${{ matrix.base }}
 
       # Build and push Docker image with Buildx (don't push on PR)
       # https://github.com/docker/build-push-action