diff --git a/.github/workflows/fetch_sha.yml b/.github/workflows/fetch_sha.yml
index 272d233..d1775f1 100644
--- a/.github/workflows/fetch_sha.yml
+++ b/.github/workflows/fetch_sha.yml
@@ -29,7 +29,7 @@ jobs:
         with:
           result-encoding: string
           script: |
-            if (!((context.eventName == "issue_comment") || (context.eventName == "pull_request"))) {
+            if (!((context.payload.issue) || (context.payload.pull_request))) {
               return context.sha;
             };
             const { data: pr } = await github.rest.pulls.get({