diff --git a/games/nethack/Makefile b/games/nethack/Makefile
index 12a6a144a13..d1c62d71355 100644
--- a/games/nethack/Makefile
+++ b/games/nethack/Makefile
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.30 2003/02/25 00:05:07 espie Exp $
+# $OpenBSD: Makefile,v 1.31 2003/02/25 00:15:02 espie Exp $
 # $FreeBSD: Makefile,v 1.13 1997/12/25 22:29:17 asami Exp $
 
 COMMENT=	"dungeon explorin', hackin', game.  Piece of cake"
@@ -35,6 +35,7 @@ NETHACKCONFIG=${FILESDIR}/simple-config
 SED_PLIST=|sed -e '/^!%%no_x11%%/d'
 NETHACKCONFIG=${FILESDIR}/qt-config
 MODULES=	qt3
+MODQT_MT=	Yes
 .else
 NETHACKCONFIG=${FILESDIR}/x-config
 USE_X11=	Yes
diff --git a/games/nethack/files/qt-config b/games/nethack/files/qt-config
index 8a405d55493..ef509e74c7e 100644
--- a/games/nethack/files/qt-config
+++ b/games/nethack/files/qt-config
@@ -2,11 +2,11 @@
 # qt flavor needs at least 2.0 to work
 VARDATND = x11tiles pet_mark.xbm rip.xpm
 VARDAT = $(VARDATD) $(VARDATND)
-CFLAGS+=-DQT_GRAPHICS -I$(MODQT_INCDIR)
-LFLAGS =-L$(MODQT_LIBDIR) -L$(X11BASE)/lib -L$(LOCALBASE)/lib
+CFLAGS+=-DQT_GRAPHICS -I$(MODQT_INCDIR) -pthread
+LFLAGS =-pthread -L$(MODQT_LIBDIR) -L$(X11BASE)/lib -L$(LOCALBASE)/lib
 
 WINSRC = $(WINTTYSRC) $(WINQTSRC)
 WINOBJ = $(WINTTYOBJ) $(WINQTOBJ)
-WINLIB = $(WINTTYLIB) -lqt -lSM
+WINLIB = $(WINTTYLIB) -lqt-mt -lSM
 QTDIR  = $(LOCALBASE)
 LINKCMD = g++