diff --git a/lib/xdg/telegramdesktop.desktop b/lib/xdg/telegramdesktop.desktop
index c34d07c80..ad5f0ee45 100644
--- a/lib/xdg/telegramdesktop.desktop
+++ b/lib/xdg/telegramdesktop.desktop
@@ -13,6 +13,7 @@ MimeType=x-scheme-handler/tg;
 Keywords=tg;chat;im;messaging;messenger;sms;tdesktop;
 Actions=Quit;
 X-GNOME-UsesNotifications=true
+X-GNOME-SingleWindow=true
 
 [Desktop Action Quit]
 Exec=telegram-desktop -quit