diff --git a/Classes/Headers/IRC.h b/Classes/Headers/IRC.h
index e7b750d878..bed41beeed 100755
--- a/Classes/Headers/IRC.h
+++ b/Classes/Headers/IRC.h
@@ -37,7 +37,7 @@
 
 #import "TextualApplication.h"
 
-#define TXMaximumIRCBodyLength				520
+#define TXMaximumIRCBodyLength				512
 #define TXMaximumNodesPerModeCommand		4
 
 /* Historically, we used a few dozen "IRCCommandIndex<command>" defines to match