diff --git a/multimedia/guvcview/Makefile b/multimedia/guvcview/Makefile
index 5c8d1726983e..17cab1ed38b8 100644
--- a/multimedia/guvcview/Makefile
+++ b/multimedia/guvcview/Makefile
@@ -1,39 +1,43 @@
 PORTNAME=	guvcview
 DISTVERSION=	2.2.1
 CATEGORIES=	multimedia
 MASTER_SITES=	SOURCEFORGE/guvcview/source
 DISTNAME=	${PORTNAME}-src-${DISTVERSION}
 
 MAINTAINER=	walker.thompson@urz.uni-heidelberg.de
 COMMENT=	Simple v4l2 full-featured video grabber
 WWW=		https://guvcview.sourceforge.net/
 
 LICENSE=	GPLv2
 
 BUILD_DEPENDS=	${LOCALBASE}/include/linux/videodev.h:multimedia/v4l_compat \
 		vulkan-headers>0:graphics/vulkan-headers
 LIB_DEPENDS=	libavcodec.so:multimedia/ffmpeg \
 		libgsl.so:math/gsl \
 		libpng.so:graphics/png \
 		libportaudio.so:audio/portaudio \
 		libudev.so:devel/libudev-devd \
 		libv4l2.so:multimedia/libv4l
 
 USES=		cmake gl gettext-runtime gettext-tools localbase:ldflags ninja \
 		pkgconfig qt:6 sdl tar:bz2
 USE_GL=		opengl
 USE_QT=		base
 USE_SDL=	sdl2
 
 CMAKE_ON=	USE_QT6 USE_SDL2
 CMAKE_OFF=	USE_GTK3 USE_SFML
 
 CFLAGS+=	-DNAME_MAX=MAXNAMLEN
 LDFLAGS+=	-lintl
 
 OPTIONS_DEFINE=		PULSEAUDIO
 PULSEAUDIO_BROKEN=	Doesn't show up as an audio backend at runtime
 PULSEAUDIO_LIB_DEPENDS=	libpulse.so:audio/pulseaudio
 PULSEAUDIO_CMAKE_BOOL=	USE_PULSE
 
+post-patch:
+	${REINPLACE_CMD} -e 's/FF_/AV_/g' \
+		${WRKDIR}/guvcview-src-2.2.1/gview_encoder/audio_codecs.c
+
 .include <bsd.port.mk>