diff --git a/Telegram/SourceFiles/window/notifications_manager_default.cpp b/Telegram/SourceFiles/window/notifications_manager_default.cpp
index 631f9fd05..2216a3ccf 100644
--- a/Telegram/SourceFiles/window/notifications_manager_default.cpp
+++ b/Telegram/SourceFiles/window/notifications_manager_default.cpp
@@ -362,6 +362,7 @@ Widget::Widget(Manager *manager, QPoint startPosition, int shift, Direction shif
 
 	setWindowFlags(Qt::WindowFlags(Qt::FramelessWindowHint)
 		| Qt::WindowStaysOnTopHint
+		| Qt::BypassWindowManagerHint
 		| Qt::NoDropShadowWindowHint
 		| Qt::Tool);
 	setAttribute(Qt::WA_MacAlwaysShowToolWindow);