diff --git a/src/debug.h b/src/debug.h
--- a/src/debug.h
+++ b/src/debug.h
@@ -46,6 +46,7 @@
 	extern int _debug_sl_level;
 	extern int _debug_gamelog_level;
 	extern int _debug_desync_level;
+	extern int _debug_console_level;
 
 	void CDECL debug(const char *dbg, const char *format, ...) WARN_FORMAT(2, 3);
 #endif /* NO_DEBUG_MESSAGES */