diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index fe20ab7..8ef7c7d 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -38,6 +38,7 @@ jobs:
           repo=$GITHUB_REPOSITORY
           # Remove the org name
           repo=${repo#*/}
+          repo=$(echo $repo | tr '[:upper:]' '[:lower:]')
           echo "container=$repo"