diff --git a/audio/liba52/Makefile b/audio/liba52/Makefile
index 60cc806b80b4..666c3bc4afb8 100644
--- a/audio/liba52/Makefile
+++ b/audio/liba52/Makefile
@@ -1,32 +1,33 @@
 PORTNAME=	liba52
 DISTVERSION=	0.8.0
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	audio
 MASTER_SITES=	https://distfiles.adelielinux.org/source/a52dec/
 DISTNAME=	a52dec-${DISTVERSION}
 
 MAINTAINER=	multimedia@FreeBSD.org
 COMMENT=	Free library for decoding ATSC A/52 streams, aka AC-3
 WWW=		https://git.adelielinux.org/community/a52dec/
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 USES=		autoreconf libtool pathfix
+USE_CSTD=	gnu89
 USE_LDCONFIG=	yes
 
 GNU_CONFIGURE=	yes
-GNU_CONFIGURE_MANPREFIX=${PREFIX}/share
+
 INSTALL_TARGET=	install-strip
 TEST_TARGET=	check
 
 CONFIGURE_ARGS=	--disable-oss --enable-shared
 
 OPTIONS_DEFINE=	DOCS
 
 post-install:
 	${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${WRKSRC}/doc/liba52.txt ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${WRKSRC}/liba52/a52_internal.h ${STAGEDIR}${PREFIX}/include/a52dec
 
 .include <bsd.port.mk>