diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 4f4c76349..b03dadad1 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -31,6 +31,7 @@ jobs:
 
   linkcheck:
     name: Run linkcheck
+    if: github.base_ref == 'main'
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2.4.0