diff --git a/backend/go-service/app/meeting/service/meeting_service.go b/backend/go-service/app/meeting/service/meeting_service.go
index 99dcee0..fb769b8 100644
--- a/backend/go-service/app/meeting/service/meeting_service.go
+++ b/backend/go-service/app/meeting/service/meeting_service.go
@@ -315,7 +315,7 @@ func (s *MeetingService) assignCloudLawDefaultRole(ctx context.Context, userID i
 }
 
 func cloudLawUsername(phone string) string {
-	accountKey := strings.NewReplacer("+", "", "-", "", " ", "", "(", "", ")").Replace(phone)
+	accountKey := strings.NewReplacer("+", "", "-", "", " ", "", "(", "", ")", "").Replace(phone)
 	accountKey = strings.TrimSpace(accountKey)
 	if accountKey == "" {
 		accountKey = strings.ReplaceAll(uuid.New().String(), "-", "")[:12]