Index: xsettings.py
===================================================================
--- ROX-Session/xsettings.py	(revision 5205)
+++ ROX-Session/xsettings.py	(working copy)
@@ -344,7 +344,7 @@
 			if os.spawnvp(os.P_WAIT, cmd[0], cmd):
 				warn(cmd[0]+' failed')
 		except OSError, exc:
-			warn('%s failed: %s', (cmd[0], exc))
+			warn('%s failed: %s', cmd[0], exc)
 		del self.to_run[0]
 
 		return len(self.to_run)>0