diff -r 78b4b4c6e6cb -r df5ed3731148 libpurple/protocols/yahoo/libymsg.c
--- a/libpurple/protocols/yahoo/libymsg.c	Fri Aug 23 15:07:48 2013 +0530
+++ b/libpurple/protocols/yahoo/libymsg.c	Tue Aug 27 04:18:00 2013 +0530
@@ -5130,3 +5130,9 @@
 	return list;
 }
 
+gsize
+yahoo_get_max_message_size(PurpleConnection *gc)
+{
+	/* got from pidgin-otr */
+	return 799;
+}