diff --git a/.github/workflows/commit_message_check.yml b/.github/workflows/commit_message_check.yml
index 04bcbce..d042897 100644
--- a/.github/workflows/commit_message_check.yml
+++ b/.github/workflows/commit_message_check.yml
@@ -4,7 +4,7 @@ on:
   push:
     branches:
       - main
-  pull-request:
+  pull_request:
 
 jobs:
   check_commit_messages: