diff --git a/source/system/dbg.cpp b/source/system/dbg.cpp
index bbdbfa497..f2674922b 100644
--- a/source/system/dbg.cpp
+++ b/source/system/dbg.cpp
@@ -55,12 +55,12 @@ Available options are:
 	#define DBG_OUTPUT_TO_DEBUGGER
 	#define DBG_SHOW_MESSAGE_ORIGIN
 	#define	DBG_FILENAME_LENGTH		16
-	#define DBG_DEFAULT_CHANNEL		DC_CHARLES|DC_ALL_SYSTEM
+	#define DBG_DEFAULT_CHANNEL		DC_CHARLES|DC_SYSTEM|DC_SOUND
 #elif	__USER_dave__
 	#define DBG_OUTPUT_TO_DEBUGGER
 	#define DBG_SHOW_MESSAGE_ORIGIN
 	#define	DBG_FILENAME_LENGTH		16
-	#define DBG_DEFAULT_CHANNEL		DC_DAVE|DC_ALL_SYSTEM
+	#define DBG_DEFAULT_CHANNEL		DC_DAVE|DC_SYSTEM|DC_SOUND
 #elif	__USER_paul__
 	#define DBG_OUTPUT_TO_DEBUGGER
 	#define DBG_OUTPUT_TO_LOG
@@ -68,7 +68,7 @@ Available options are:
 	#define DBG_LOG_LINES			8
 	#define DBG_SHOW_MESSAGE_ORIGIN
 	#define	DBG_FILENAME_LENGTH		10
-	#define DBG_DEFAULT_CHANNEL		DC_PAUL|DC_ALL_SYSTEM
+	#define DBG_DEFAULT_CHANNEL		DC_PAUL|DC_SYSTEM|DC_SOUND|DC_GUI
 #else
 	#define DBG_OUTPUT_TO_DEBUGGER
 	#define DBG_DEFAULT_CHANNEL		DC_ALL