diff --git a/src/dialogs.py b/src/dialogs.py
index 76cfa47d0..2032d6435 100644
--- a/src/dialogs.py
+++ b/src/dialogs.py
@@ -1970,6 +1970,8 @@ class PopupNotificationWindow:
 
 		xml = gtkgui_helpers.get_glade('popup_notification_window.glade')
 		self.window = xml.get_widget('popup_notification_window')
+		if gtk.gtk_version >= (2, 10, 0) and gtk.pygtk_version >= (2, 10, 0):
+			self.window.set_type_hint(gtk.gdk.WINDOW_TYPE_HINT_TOOLTIP)
 		close_button = xml.get_widget('close_button')
 		event_type_label = xml.get_widget('event_type_label')
 		event_description_label = xml.get_widget('event_description_label')