diff -ru a/gtk-recordmydesktop/src/rmdSimple.py b/gtk-recordmydesktop/src/rmdSimple.py
--- a/gtk-recordmydesktop/src/rmdSimple.py	2010-05-06 12:32:27.000000000 +0200
+++ b/gtk-recordmydesktop/src/rmdSimple.py	2010-05-06 12:34:48.000000000 +0200
@@ -220,6 +220,7 @@

     def __select_window__(self,button):
         # check user has not disabled capture of window decoration
+        wid = None
         if self.values[21]!=1:
             # else work out the size including decoration (also taking into account compiz)
             p = Popen(['xwininfo','-frame'],stdout=PIPE)