diff --git a/.github/mirror.sh b/.github/mirror.sh
index f7a407601f3..397a8a379af 100755
--- a/.github/mirror.sh
+++ b/.github/mirror.sh
@@ -1,7 +1,5 @@
 #!/usr/bin/env bash
 
-BRANCH_NAME=${BRANCH_NAME##*/}
-
 git remote add fork "git@github.com:${GITHUB_REPO}.git"
 git remote add gitlab "git@gitlab.com:ginkgo-project/ginkgo-public-ci.git"
 
diff --git a/.github/workflows/mirror.yml b/.github/workflows/mirror.yml
index 0bc5b221938..43ebd4a2aae 100644
--- a/.github/workflows/mirror.yml
+++ b/.github/workflows/mirror.yml
@@ -15,5 +15,5 @@ jobs:
         run: cp --preserve .github/mirror.sh /tmp && /tmp/mirror.sh
         env:
           BOT_KEY: ${{ secrets.GITLAB_MIRROR_PRIV_KEY }}
-          BRANCH_NAME: ${{ github.ref }}
+          BRANCH_NAME: ${{ github.ref_name }}
           GITHUB_REPO: ${{ github.repository }}