diff --git a/domino/domino.h b/domino/domino.h
index e243456..4f2245a 100644
--- a/domino/domino.h
+++ b/domino/domino.h
@@ -220,7 +220,7 @@ public:
 				const TQPixmap*  /*pixmap*/,
 				const TQString & text,
 				int /*len = -1*/,
-				const TQColor& highlight = 0,
+				const TQColor& highlight = TQColor(0, 0, 0),
 				bool drawLine = true,
 				bool isButton = false) const;