diff --git a/ChangeLog b/ChangeLog
index 5c9d0d5b..39e2de7d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -10,6 +10,9 @@
 	* twittering-mode.el (twittering-status-to-status-datum): Don't
 	refer to `twittering-use-native-retweet'.
 
+	* twittering-mode.el (twittering-http-get-list-index-sentinel):
+	Fix a reference to `mes' as a variable, not as a function.
+
 2010-01-21  Satoshi Yatagawa  <yata_github@y.hauN.org>
 
 	* twittering-mode.el: Add a fail statement to work again under
diff --git a/twittering-mode.el b/twittering-mode.el
index 1200f170..ea272213 100644
--- a/twittering-mode.el
+++ b/twittering-mode.el
@@ -1511,7 +1511,7 @@ Available keywords:
 			(while (re-search-forward
 				"<slug>\\([-a-zA-Z0-9_]+\\)</slug>" nil t)
 			  (push (match-string 1) indexes))))))
-	       (t (mes (format "Response: %s" status-line)))))
+	       (t (setq mes (format "Response: %s" status-line)))))
 	  (setq mes "Failure: Bad http response."))
 	(if indexes
 	    (setq twittering-list-index-retrieved indexes)