diff --git a/.github/workflows/docker_build_mothd.yml b/.github/workflows/docker_build_mothd.yml
index c06fbd2..7e08a56 100644
--- a/.github/workflows/docker_build_mothd.yml
+++ b/.github/workflows/docker_build_mothd.yml
@@ -17,4 +17,4 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
           registry: docker.pkg.github.com
           repository: dirtbags/moth/moth
-          tag-with-ref: true
+          tag_with_ref: true