diff --git a/launcher/ui/dialogs/ScrollMessageBox.h b/launcher/ui/dialogs/ScrollMessageBox.h
index 0dfadff33..bd121108f 100644
--- a/launcher/ui/dialogs/ScrollMessageBox.h
+++ b/launcher/ui/dialogs/ScrollMessageBox.h
@@ -12,7 +12,7 @@ class ScrollMessageBox : public QDialog {
     Q_OBJECT
 
    public:
-    ScrollMessageBox(QWidget* parent, const QString& title, const QString& text, const QString& body, const QString& option = QString());
+    ScrollMessageBox(QWidget* parent, const QString& title, const QString& text, const QString& body, const QString& option = {});
 
     ~ScrollMessageBox() override;