diff --git a/x11-toolkits/lesstif/Makefile b/x11-toolkits/lesstif/Makefile
index f349f62d787c..b8708129c4a5 100644
--- a/x11-toolkits/lesstif/Makefile
+++ b/x11-toolkits/lesstif/Makefile
@@ -75,6 +75,12 @@ pre-extract:
 	esac)
 .endif
 
+pre-install:
+	if [ -f ${X11BASE}/lib/X11/config/host.def ]; then \
+		mv -f ${X11BASE}/lib/X11/config/host.def \
+			${X11BASE}/lib/X11/config/host.def.pre-lesstif; \
+	fi
+
 post-install:
 	${RM} -f ${PREFIX}/lib/libXm.la
 	${RM} -f ${PREFIX}/lib/libMrm.la
diff --git a/x11-toolkits/lesstif/pkg-plist b/x11-toolkits/lesstif/pkg-plist
index 74bad48f9b45..c78eafd05d5a 100644
--- a/x11-toolkits/lesstif/pkg-plist
+++ b/x11-toolkits/lesstif/pkg-plist
@@ -322,10 +322,12 @@ include/uil/UilDef.h
 include/uil/UilSymDef.h
 include/uil/UilSymGl.h
 include/uil/XmAppl.uil
+@exec [ -f %D/lib/X11/config/host.def ] && mv -f %D/lib/X11/config/host.def %D/lib/X11/config/host.def.pre-lesstif
 lib/X11/app-defaults/Mwm
 lib/X11/config/LessTif.rules
 lib/X11/config/LessTif.tmpl
 lib/X11/config/host.def
+@unexec [ -f %D/lib/X11/config/host.def.pre-lesstif ] && mv -f %D/lib/X11/config/host.def.pre-lesstif %D/lib/X11/config/host.def
 lib/X11/mwm/README
 lib/X11/mwm/alt.map
 lib/X11/mwm/system.mwmrc