--- a/libpurple/protocols/irc/irc.h	Sat Aug 20 13:35:55 2016 -0500
+++ b/libpurple/protocols/irc/irc.h	Sat Aug 20 23:00:56 2016 +0000
@@ -55,6 +55,8 @@
 
 #define IRC_INITIAL_BUFSIZE 1024
 
+#define IRC_MAX_MSG_SIZE 512
+
 #define IRC_NAMES_FLAG "irc-namelist"
 
 enum { IRC_USEROPT_SERVER, IRC_USEROPT_PORT, IRC_USEROPT_CHARSET };