diff --git a/comms/predict/Makefile b/comms/predict/Makefile
index 138e6d343db2..7212cf4a9822 100644
--- a/comms/predict/Makefile
+++ b/comms/predict/Makefile
@@ -1,25 +1,24 @@
 PORTNAME=	predict
 PORTVERSION=	2.2.7
 CATEGORIES=	comms astro hamradio
 MASTER_SITES=	https://www.qsl.net/kd2bd/ \
 		LOCAL/db
 
 MAINTAINER=	hamradio@FreeBSD.org
 COMMENT=	Satellite tracking program for amateur radio satellites
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 LIB_DEPENDS=	libasound.so:audio/alsa-lib
 
 USES=		ncurses
 INSTALL_TARGET=	install install.man
+MAKE_ARGS=	CC="${CC}" CFLAGS="${CFLAGS}" PREFIX="${PREFIX}" STAGEDIR="${STAGEDIR}"
 
 post-patch:
 	@${SED} -e 's|%%PREFIX%%|${PREFIX}|g' ${FILESDIR}/predict.h > ${WRKSRC}/predict.h
 	@${SED} -e 's|%%PREFIX%%|${PREFIX}|g' ${FILESDIR}/vocalizer.h > ${WRKSRC}/vocalizer/vocalizer.h
-	@${SED} -e 's|%%PREFIX%%|${PREFIX}|g' -e 's|%%STAGEDIR%%|${STAGEDIR}|g' \
-		-e 's|%%CC%%|${CC}|g' -e 's|%%CFLAGS%%|${CFLAGS}|g' \
-			${FILESDIR}/Makefile > ${WRKSRC}/Makefile
+	@${CP} ${FILESDIR}/Makefile ${WRKSRC}/Makefile
 
 .include <bsd.port.mk>
diff --git a/comms/predict/files/Makefile b/comms/predict/files/Makefile
index 07935eae81d0..cf449317fbe5 100644
--- a/comms/predict/files/Makefile
+++ b/comms/predict/files/Makefile
@@ -1,35 +1,30 @@
-PREFIX=		%%PREFIX%%
-STAGEDIR=	%%STAGEDIR%%
-CC=			%%CC%%
-CFLAGS=		%%CFLAGS%%
-
 default:	all
 all:		predict vocalizer/vocalizer
 
-LIBS = ${LDFLAGS} -pthread -lm -lncurses
+LIBS = ${LDFLAGS} -pthread -lm -lncursesw
 predict:	predict.c predict.h
 		${CC} ${CFLAGS} -o predict predict.c ${LIBS}
 
 vocalizer/vocalizer:	vocalizer/vocalizer.c vocalizer/vocalizer.h
 		${CC} ${CFLAGS} -I${LOCALBASE}/include -o vocalizer/vocalizer vocalizer/vocalizer.c -L${LOCALBASE}/lib ${LIBS} -lasound
 
 clean:
 	rm -f *.o predict *core *~ \#* *.txt vocalizer/vocalizer
 
 install:
 	mkdir -p ${STAGEDIR}${PREFIX}/share/predict/
 	mkdir ${STAGEDIR}${PREFIX}/share/predict/default
 	mkdir ${STAGEDIR}${PREFIX}/share/predict/vocalizer
 	install -m 0644 default/predict.db ${STAGEDIR}${PREFIX}/share/predict/default
 	install -m 0644 default/predict.qth ${STAGEDIR}${PREFIX}/share/predict/default
 	install -m 0644 default/predict.tle ${STAGEDIR}${PREFIX}/share/predict/default
 	install -m 0644 vocalizer/*.wav ${STAGEDIR}${PREFIX}/share/predict/vocalizer
 	install predict ${STAGEDIR}${PREFIX}/bin
 	strip ${STAGEDIR}${PREFIX}/bin/predict
 	install vocalizer/vocalizer ${STAGEDIR}${PREFIX}/bin
 	strip ${STAGEDIR}${PREFIX}/bin/vocalizer
 
 install.man:
 	install -m 0644  docs/man/predict.1 ${STAGEDIR}${PREFIX}/man/man1
 
 .PHONY:	clean build