diff --git a/source/system/dbg.cpp b/source/system/dbg.cpp
index eee7925e7..121a32609 100644
--- a/source/system/dbg.cpp
+++ b/source/system/dbg.cpp
@@ -53,11 +53,13 @@ Available options are:
 
 #ifdef	__USER_charles__
 	#define DBG_OUTPUT_TO_DEBUGGER
+	#define	DBG_MAX_MESSAGE_LENGTH	256
 	#define DBG_SHOW_MESSAGE_ORIGIN
 	#define	DBG_FILENAME_LENGTH		16
 	#define DBG_DEFAULT_CHANNEL		DC_CHARLES|DC_SYSTEM
-#elif	__USER_dave__
+#elif	__USER_daveo__
 	#define DBG_OUTPUT_TO_DEBUGGER
+	#define	DBG_MAX_MESSAGE_LENGTH	256
 	#define DBG_SHOW_MESSAGE_ORIGIN
 	#define	DBG_FILENAME_LENGTH		16
 	#define DBG_DEFAULT_CHANNEL		DC_DAVE|DC_SYSTEM
@@ -71,6 +73,7 @@ Available options are:
 	#define DBG_DEFAULT_CHANNEL		DC_PAUL|DC_SYSTEM|DC_SOUND|DC_GUI|DC_MEMCARD
 #else
 	#define DBG_OUTPUT_TO_DEBUGGER
+	#define	DBG_FILENAME_LENGTH		16
 	#define DBG_DEFAULT_CHANNEL		DC_ALL
 #endif