diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 591401a..0aa8189 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,6 +10,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+        with:
+          ref: ${GITHUB_REF##*/}
       - uses: actions/setup-node@v2-beta
         with:
           node-version: '12'