diff --git a/.github/workflows/build-toc.yaml b/.github/workflows/build-toc.yaml
index 03b7b3f4..05838318 100644
--- a/.github/workflows/build-toc.yaml
+++ b/.github/workflows/build-toc.yaml
@@ -12,7 +12,7 @@ on:
 jobs:
   run-script:
     runs-on: ubuntu-latest
-    if: github.event.pull_request.merged == true
+    if: (github.event_name == 'push' && github.ref == 'refs/heads/main') || (github.event.pull_request.merged == true && github.base_ref == 'main')
     steps:
       - name: Checkout repository
         uses: actions/checkout@v2