diff --git a/sys/unix/hints/linux-x11 b/sys/unix/hints/linux-x11
index e0d98badd..cf5dfb6f3 100644
--- a/sys/unix/hints/linux-x11
+++ b/sys/unix/hints/linux-x11
@@ -16,6 +16,7 @@ HACKDIR=$(PREFIX)/games/lib/$(GAME)dir
 SHELLDIR = $(PREFIX)/games
 
 CFLAGS=-O -I../include -DNOTPARMDECL $(CFLAGS1) $(CFLAGS3)
+CFLAGS+=-DSYSCF -DSYSCF_FILE=\"$(HACKDIR)/sysconf\"
 CFLAGS1=-DCOMPRESS=\"/bin/gzip\" -DCOMPRESS_EXTENSION=\".gz\"
 CFLAGS3=-DX11_GRAPHICS -DDEFAULT_WINDOW_SYS=\"X11\" -DNOTTYGRAPHICS