diff --git a/audio/tetraproc/Makefile b/audio/tetraproc/Makefile
index ef6633bfa281..df2428af6115 100644
--- a/audio/tetraproc/Makefile
+++ b/audio/tetraproc/Makefile
@@ -1,38 +1,38 @@
 PORTNAME=	tetraproc
 DISTVERSION=	0.8.6
-PORTREVISION=	1
+PORTREVISION=	2
 CATEGORIES=	audio
 MASTER_SITES=	https://kokkinizita.linuxaudio.org/linuxaudio/downloads/
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Tetrahedral microphone processor for ambisonic recording
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/../COPYING
 
 BUILD_DEPENDS=	freetype2>0:print/freetype2
 LIB_DEPENDS=	libclthreads.so:devel/clthreads \
 		libclxclient.so:devel/clxclient \
 		libfftw3.so:math/fftw3 \
 		libfftw3f.so:math/fftw3-float \
 		libjack.so:audio/jack \
 		libpng16.so:graphics/png \
 		libsndfile.so:audio/libsndfile
 
 USES=		gmake localbase:ldflags pkgconfig tar:bz2 xorg
 USE_XORG=	x11 xft
 
 WRKSRC_SUBDIR=	source
 
 PLIST_FILES=	bin/tetrafile \
 		bin/tetraproc \
 		share/${PORTNAME}/k20-meterH0.png \
 		share/${PORTNAME}/k20-meterH1.png \
 		share/${PORTNAME}/k20-scaleH.png
 
 post-install:
 	@cd ${STAGEDIR}${PREFIX} && ${STRIP_CMD} \
 		bin/tetrafile \
 		bin/tetraproc
 
 .include <bsd.port.mk>
diff --git a/audio/tetraproc/files/patch-Makefile b/audio/tetraproc/files/patch-Makefile
new file mode 100644
index 000000000000..a31757c808c7
--- /dev/null
+++ b/audio/tetraproc/files/patch-Makefile
@@ -0,0 +1,10 @@
+--- Makefile.orig	2021-11-13 16:08:17 UTC
++++ Makefile
+@@ -25,7 +25,6 @@ SHARED ?= $(PREFIX)/share/tetraproc
+ VERSION = 0.8.6
+ CPPFLAGS += -MMD -MP -DVERSION=\"$(VERSION)\" -DSHARED=\"$(SHARED)\"
+ CXXFLAGS += -O2 -Wall -ffast-math
+-CXXFLAGS += -march=native
+ LDFLAGS += -pthread
+ 
+