diff --git a/.github/workflows/pr-content.yml b/.github/workflows/pr-content.yml
index 1d28148..22f09f9 100644
--- a/.github/workflows/pr-content.yml
+++ b/.github/workflows/pr-content.yml
@@ -133,7 +133,7 @@ jobs:
             const invalidCommits = commits
               .map((commit) => ({
                 sha: commit.sha,
-                subject: commit.commit.message.split("\n")[0],
+                subject: commit.commit.message.split(/\r?\n/)[0],
                 isMerge: commit.parents.length > 1,
               }))
               .filter(({ subject, isMerge }) => !isMerge && !titlePattern.test(subject));