--- lcx11.cxx.orig	Thu Feb 25 20:17:54 1999
+++ lcx11.cxx	Sat Sep 25 17:47:12 1999
@@ -715,7 +715,7 @@
 #ifdef USE_IMAGES
   Fgl_putbox_low (display.win, 0, 0,
 		  x1, y1, x2 - x1, y2 - y1,
-		  pixmap, (640 + BORDERX),
+		  (unsigned char*)pixmap, (640 + BORDERX),
 		  x1, y1);
 #else
   int x, y;