diff --git a/libsrc/dbg/dbg.c b/libsrc/dbg/dbg.c
index 84135ab57..503de8b06 100644
--- a/libsrc/dbg/dbg.c
+++ b/libsrc/dbg/dbg.c
@@ -45,7 +45,7 @@ static char GetKeyUpdate (void);
 /*****************************************************************************/
 
 /* Color definitions */
-#ifdef __PLUS4__
+#if defined(__PLUS4__) || defined(__C16__)
 #  define COLOR_BORDER		(BCOLOR_DARKBLUE | CATTR_LUMA6)
 #  define COLOR_BACKGROUND	COLOR_WHITE
 #  define COLOR_TEXTHIGH       	COLOR_BLACK