diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index d5a50ed..e442a45 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -114,8 +114,7 @@ jobs:
           Remove-Item -Path ./Version
       - name: Copy build output and push
         run: |
-          $branch = $(${{ env.GITHUB_REF }}) -Replace "refs/heads/";
-          git checkout -b $($branch)
+          git checkout -b $($Env:GITHUB_REF -Replace "refs/heads/")
           Get-ChildItem -Path "./Build" | Copy-Item -Path ./
           Remove-Item -Path ./Build -Recurse
           git add .