diff --git a/ui/platform/mac/ui_window_mac.h b/ui/platform/mac/ui_window_mac.h
index 567ba76..ab43e42 100644
--- a/ui/platform/mac/ui_window_mac.h
+++ b/ui/platform/mac/ui_window_mac.h
@@ -20,6 +20,7 @@ public:
 
 	not_null<RpWidget*> body() override;
 	void setTitle(const QString &title) override;
+	void setTitleStyle(const style::WindowTitle &st) override;
 	void setMinimumSize(QSize size) override;
 	void setFixedSize(QSize size) override;
 	void setGeometry(QRect rect) override;
diff --git a/ui/platform/mac/ui_window_mac.mm b/ui/platform/mac/ui_window_mac.mm
index 161fb0b..95c8ee4 100644
--- a/ui/platform/mac/ui_window_mac.mm
+++ b/ui/platform/mac/ui_window_mac.mm
@@ -196,6 +196,12 @@ void WindowHelper::setTitle(const QString &title) {
 		(!_title || _title->isHidden()) ? title : QString());
 }
 
+void WindowHelper::setTitleStyle(const style::WindowTitle &st) {
+	if (_title) {
+		_title->setStyle(st);
+	}
+}
+
 void WindowHelper::toggleCustomTitle(bool visible) {
 	if (!_title || _title->isHidden() != visible) {
 		return;