Index: unnethack-3.5.3/src/mapglyph.c
===================================================================
--- unnethack-3.5.3.orig/src/mapglyph.c	2011-05-09 16:09:55.000000000 +0400
+++ unnethack-3.5.3/src/mapglyph.c	2011-05-09 16:11:42.000000000 +0400
@@ -248,7 +248,13 @@
 # else
     if (!has_color(color))
 # endif
-	color = NO_COLOR;
+
+# ifdef CURSES_GRAPHICS
+       color = CLR_WHITE;
+# else
+       color = NO_COLOR;
+# endif
+
 #endif
 
     *ochar = ch;
