diff -Nur notification-daemon-0.2.1/src/PopupNotification.cc notification-daemon-0.2.1.new/src/PopupNotification.cc
--- notification-daemon-0.2.1/src/PopupNotification.cc	2005-08-29 15:50:37.000000000 +0200
+++ notification-daemon-0.2.1.new/src/PopupNotification.cc	2005-08-29 15:51:00.000000000 +0200
@@ -222,6 +222,8 @@
 	gtk_widget_show(mSpacer);
 
 	gtk_widget_realize(window);
+	while(gtk_events_pending())
+	   gtk_main_iteration();
 
 	GtkRequisition req;
 	gtk_widget_size_request(window, &req);