diff --git a/.gitea/workflows/tag-release.yaml b/.gitea/workflows/tag-release.yaml
index a45f6ef..9269f82 100644
--- a/.gitea/workflows/tag-release.yaml
+++ b/.gitea/workflows/tag-release.yaml
@@ -21,12 +21,15 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
       - uses: actions/checkout@v4
+      - name: Set lowercase repository name
+        run: echo "REPO_NAME=$(echo ${{ github.repository }} | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV
+
       - name: Kaniko build
         # https://github.com/aevea/action-kaniko/releases
         uses: aevea/action-kaniko@v0.14.0
         with:
           # repo setup
-          image: ${{ github.repository.toLower() }}
+          image: ${{ env.REPO_NAME }}
           username: rogersik
           password: ${{ secrets.REGISTRY_PASSWORD }}