diff --git a/commands/pull_request.go b/commands/pull_request.go
index 34e2064e548b078d54f5f968ca9e56edc2465036..2c8355652703681292e72188fc3023d775ec0a71 100644
--- a/commands/pull_request.go
+++ b/commands/pull_request.go
@@ -286,7 +286,7 @@ of text is the title and the rest is the description.`, fullBase, fullHead))
 			message, err = git.Show(commits[0])
 			utils.Check(err)
 
-			re := regexp.MustCompile(`\n\(Co-authored\|Signed-off\)-by:\s.*$`)
+			re := regexp.MustCompile(`\n(Co-authored|Signed-off)-by:\s.*$`)
 			message = re.ReplaceAllString(message, "")
 		} else if len(commits) > 1 {
 			commitLogs, err := git.Log(baseTracking, headForMessage)