diff --git a/astro/fowsr/Makefile b/astro/fowsr/Makefile
index 2cd1091a892a..97de89510d35 100644
--- a/astro/fowsr/Makefile
+++ b/astro/fowsr/Makefile
@@ -1,30 +1,31 @@
 PORTNAME=	fowsr
 PORTVERSION=	${FILEVER}
+PORTREVISION=	1
 CATEGORIES=	astro
 
 MAINTAINER=	netchild@FreeBSD.org
 COMMENT=	Fine Offset Weather Station Reader
 WWW=		https://github.com/apachler/fowsr
 
 LICENSE=	GPLv3
 
 FILEVER=	2.0
 WRKSRC_SUBDIR=	${PORTNAME}.src
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	apachler
 GH_TAGNAME=	571db38
 
 USES=		gmake dos2unix
 
 PLIST_FILES=	bin/fowsr
 
 post-patch:
-	${REINPLACE_CMD} 's:gcc:${CC}:g' ${WRKSRC}/Makefile
+	${REINPLACE_CMD} 's:gcc:${CC} ${CFLAGS}:g' ${WRKSRC}/Makefile
 	${REINPLACE_CMD} 's:/usr/bin/fowsr:fowsr:g ; s://var//://var/tmp//:g' \
 	    ${WRKSRC}/*.sh ${WRKSRC}/fowsr.c
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/fowsr ${STAGEDIR}${PREFIX}/bin/
 
 .include <bsd.port.mk>