diff --git a/.github/workflows/linters.yml b/.github/workflows/linters.yml
index f15872bbc22b09..04cecbbc516052 100644
--- a/.github/workflows/linters.yml
+++ b/.github/workflows/linters.yml
@@ -53,7 +53,7 @@ jobs:
       - name: Environment Information
         run: npx envinfo
       - name: Get release version numbers
-        if: ${{ github.event.pull_request.base.ref == github.event.pull_request.base.repo.default_branch }}
+        if: ${{ github.event.pull_request && github.event.pull_request.base.ref == github.event.pull_request.base.repo.default_branch }}
         id: get-released-versions
         run: ./tools/node-lint-md-cli-rollup/src/list-released-versions-from-changelogs.mjs
       - name: Lint docs