diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6108fd1838..27739bf86c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -52,3 +52,4 @@ jobs:
         if: matrix.node == 10 && github.repository == 'twbs/bootstrap' && github.event_name == 'push'
         env:
           COVERALLS_REPO_TOKEN: "${{ secrets.COVERALLS_REPO_TOKEN }}"
+          COVERALLS_GIT_BRANCH: "${{ github.ref }}"