diff -r 73c2a7635d5b -r b76dd48063d6 libpurple/protocols/irc/irc.h
--- a/libpurple/protocols/irc/irc.h	Sat Jul 09 16:48:45 2016 -0500
+++ b/libpurple/protocols/irc/irc.h	Sat Aug 20 23:00:56 2016 +0000
@@ -46,6 +46,8 @@
 
 #define IRC_INITIAL_BUFSIZE 1024
 
+#define IRC_MAX_MSG_SIZE 512
+
 #define IRC_NAMES_FLAG "irc-namelist"