diff --git a/audio/libsoxr/Makefile b/audio/libsoxr/Makefile
index ae97f154fd78..6027f1eb868d 100644
--- a/audio/libsoxr/Makefile
+++ b/audio/libsoxr/Makefile
@@ -1,60 +1,54 @@
 PORTNAME=	libsoxr
 PORTVERSION=	0.1.3
 PORTREVISION=	3
 CATEGORIES=	audio
 MASTER_SITES=	SF/soxr
 DISTNAME=	soxr-${PORTVERSION}-Source
 
 MAINTAINER=	riggs@FreeBSD.org
 COMMENT=	High quality, one-dimensional sample-rate conversion library
 WWW=		https://sourceforge.net/projects/soxr/
 
 LICENSE=	LGPL21+ FFTPAK
 LICENSE_COMB=	multi
 LICENSE_NAME_FFTPAK=	FFTPAK license
 LICENSE_FILE=	${WRKSRC}/COPYING.LGPL
 LICENSE_FILE_FFTPAK=	${FILESDIR}/FFTPAK_license.txt
 LICENSE_PERMS_FFTPAK=	dist-mirror dist-sell pkg-mirror pkg-sell auto-accept
 
 USES=		cmake pkgconfig tar:xz
 
 USE_LDCONFIG=	yes
 
 CMAKE_ON=	BUILD_SHARED_LIBS WITH_LSR_BINDINGS
 
 PORTDOCS=	NEWS README
 
 OPTIONS_SUB=	yes
 
 OPTIONS_DEFINE=		DOCS EXAMPLES OPENMP
 OPTIONS_DEFINE_amd64=	SIMD
 OPTIONS_DEFINE_i386=	SIMD
 SIMD_DESC=		Use processor-specific SIMD optimisations
 
 OPTIONS_RADIO=		SIMD_DFT
 OPTIONS_RADIO_SIMD_DFT=	AVFFT PFFFT
 SIMD_DFT_DESC=		Choice of SIMD DFT library
 
 OPENMP_CMAKE_ON=	-DWITH_OPENMP:BOOL=ON
 OPENMP_CMAKE_OFF=	-DWITH_OPENMP:BOOL=OFF
 
 SIMD_CMAKE_OFF=		-DWITH_CR32S:BOOL=OFF \
 			-DWITH_CR64S:BOOL=OFF
 
 AVFFT_DESC=		Use external libavcodec
 PFFFT_DESC=		Use internal PFFFT
 AVFFT_CMAKE_ON=		-DWITH_AVFFT:BOOL=ON
 AVFFT_CMAKE_OFF=	-DWITH_AVFFT:BOOL=OFF
 AVFFT_IMPLIES=		SIMD
 AVFFT_LIB_DEPENDS=	libavcodec.so:multimedia/ffmpeg
 PFFFT_CMAKE_ON=		-DWITH_PFFFT:BOOL=ON
 PFFFT_CMAKE_OFF=	-DWITH_PFFFT:BOOL=OFF
 PFFFT_IMPLIES=		SIMD
 
-post-patch:
-	@${GREP} -El 'SOURCE_DIR}/LICENCE|AVCODEC_INCLUDE_DIRS' \
-		${WRKSRC}/CMakeLists.txt | ${XARGS} ${REINPLACE_CMD} \
-		-e '/$${CMAKE_CURRENT_SOURCE_DIR}\/LICENCE/d' \
-		-e 's/AVCODEC_INCLUDE_DIRS/AVCODEC_INCLUDES/'
-
 .include <bsd.port.mk>
diff --git a/audio/libsoxr/files/patch-CMakeLists.txt b/audio/libsoxr/files/patch-CMakeLists.txt
new file mode 100644
index 000000000000..a72b92afba6b
--- /dev/null
+++ b/audio/libsoxr/files/patch-CMakeLists.txt
@@ -0,0 +1,28 @@
+--- CMakeLists.txt.orig	2018-02-23 21:39:25 UTC
++++ CMakeLists.txt
+@@ -1,7 +1,7 @@
+ # SoX Resampler Library       Copyright (c) 2007-18 robs@users.sourceforge.net
+ # Licence for this file: LGPL v2.1                  See LICENCE for details.
+ 
+-cmake_minimum_required (VERSION 3.1 FATAL_ERROR)
++cmake_minimum_required (VERSION 3.5 FATAL_ERROR)
+ 
+ project (soxr C)
+ set (DESCRIPTION_SUMMARY
+@@ -129,7 +129,7 @@ if (WITH_AVFFT)
+ if (WITH_AVFFT)
+   find_package (LibAVCodec REQUIRED)
+   if (AVCODEC_FOUND)
+-    include_directories (${AVCODEC_INCLUDE_DIRS})
++    include_directories (${AVCODEC_INCLUDES})
+     set (LIBS ${LIBS} ${AVCODEC_LIBRARIES})
+   endif ()
+ endif ()
+@@ -268,7 +268,6 @@ install (FILES
+ 
+ install (FILES
+   ${CMAKE_CURRENT_SOURCE_DIR}/README
+-  ${CMAKE_CURRENT_SOURCE_DIR}/LICENCE
+   ${CMAKE_CURRENT_SOURCE_DIR}/NEWS
+   DESTINATION ${DOC_INSTALL_DIR})
+