diff --git a/sys/unix/README.linux b/sys/unix/README.linux
index b2c1b607d..83357aff1 100644
--- a/sys/unix/README.linux
+++ b/sys/unix/README.linux
@@ -54,7 +54,7 @@ nethack-bugs@nethack.org
 
 Steps used to build this binary release
 
-System:  egcs-1.1.2, XFree86-3.3.6, ncurses-5.0, glibc-2.1.3
+System:  egcs-1.1.2, XFree86-3.3.6, xpm-3.4k, ncurses-5.0, glibc-2.1.3
 
 0.  Makefile.top: GAMEGRP = games
 		  GAMEPERM = 02755