diff --git a/repository/options.go b/repository/options.go
index d0a9c60f..23b62c83 100644
--- a/repository/options.go
+++ b/repository/options.go
@@ -198,6 +198,18 @@ func (o *GitHubOptions) setDefaultValues(git GitOptions, tplExecutorFunc templat
 	}
 	o.PullRequest.Body = prBody
 
+	prMergeCommitTitle, err := tplExecutorFunc(o.PullRequest.Merge.CommitTitle)
+	if err != nil {
+		return fmt.Errorf("failed to run template for pull request merge commit title %s: %w", o.PullRequest.Merge.CommitTitle, err)
+	}
+	o.PullRequest.Merge.CommitTitle = prMergeCommitTitle
+
+	prMergeCommitMessage, err := tplExecutorFunc(o.PullRequest.Merge.CommitMessage)
+	if err != nil {
+		return fmt.Errorf("failed to run template for pull request merge commit message %s: %w", o.PullRequest.Merge.CommitMessage, err)
+	}
+	o.PullRequest.Merge.CommitMessage = prMergeCommitMessage
+
 	return nil
 }
 
diff --git a/repository/repository.go b/repository/repository.go
index 27999c1a..735d99e7 100644
--- a/repository/repository.go
+++ b/repository/repository.go
@@ -162,7 +162,7 @@ func (r Repository) Update(ctx context.Context, updaters []update.Updater, optio
 		return true, pr, nil
 	}
 
-	err = r.mergePullRequest(ctx, options.GitHub, pr)
+	err = r.mergePullRequest(ctx, strategy.Options.GitHub, pr)
 	if err != nil {
 		return true, pr, fmt.Errorf("failed to merge Pull Request %s: %w", pr.GetHTMLURL(), err)
 	}