--- a/script/lib/iri_tweet/utils.py	Tue Apr 26 10:53:35 2011 +0200
+++ b/script/lib/iri_tweet/utils.py	Tue Apr 26 13:57:29 2011 +0200
@@ -260,7 +260,7 @@
         #user
     
         user_fields = {
-            'lang' : self.json_dict['iso_language_code'],
+            'lang' : self.json_dict.get('iso_language_code',None),
             'profile_image_url' : self.json_dict["profile_image_url"],
             'screen_name' : self.json_dict["from_user"],                   
         }