diff --git a/.github/workflows/website.yml b/.github/workflows/website.yml
index 6ee4349..70f2952 100644
--- a/.github/workflows/website.yml
+++ b/.github/workflows/website.yml
@@ -21,7 +21,7 @@ jobs:
 
       - name: Set branch name
         id: branch
-        run: echo "::set-output name=BRANCH_NAME::${GITHUB_REF##*/}"
+        run: echo "BRANCH_NAME=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}} >> "$GITHUB_ENV"
 
       - name: Fix base URL
         if: steps.branch.outputs.BRANCH_NAME != 'master' && github.repository_owner == 'Rosettea'