diff -up childsplay-1.6/lib/flashcards.py~ childsplay-1.6/lib/flashcards.py
--- childsplay-1.6/lib/flashcards.py~	2011-06-03 13:24:30.000000000 +0200
+++ childsplay-1.6/lib/flashcards.py	2012-05-23 15:31:46.586733861 +0200
@@ -367,7 +367,7 @@ class Activity:
         elif os.path.exists(fnamesfull):
             self.loc = loc
         else:
-            self.SPG.tellcore_info_dialog(_("Your language, %s, is not supported.\n I will now switch to English" % self.loc))
+            self.SPG.tellcore_info_dialog(_("Your language, %s, is not supported.\n I will now switch to English" % loc))
             self.loc = 'en'
         self.logger.debug("found {0}".format(self.loc))