diff -up gwibber-3.0.0.1/gwibber/client.py.improve-about-dialog-handling gwibber-3.0.0.1/gwibber/client.py
--- gwibber-3.0.0.1/gwibber/client.py.improve-about-dialog-handling	2011-05-12 12:57:18.409763528 -0400
+++ gwibber-3.0.0.1/gwibber/client.py	2011-05-12 12:57:42.509479199 -0400
@@ -504,7 +504,7 @@ class GwibberClient(gtk.Window):
     about_dialog = self.ui.get_object("about_dialog")
     about_dialog.set_version(str(VERSION_NUMBER))
     about_dialog.set_transient_for(self)
-    about_dialog.connect("response", lambda *a: about_dialog.hide())
+    about_dialog.connect("response", lambda d, *a: d.hide())
     about_dialog.show_all()
 
   def on_close_stream(self, *args):