diff --git a/games/fs2open/Makefile b/games/fs2open/Makefile
index 42b562c71f42..723f6532d838 100644
--- a/games/fs2open/Makefile
+++ b/games/fs2open/Makefile
@@ -1,36 +1,39 @@
 PORTNAME=	fs2open
 DISTVERSIONPREFIX=	release_
 DISTVERSION=	24_2_0
 CATEGORIES=	games
 
 MAINTAINER=	pkubaj@FreeBSD.org
 COMMENT=	Open source video engine of FreeSpace 2
 WWW=		http://scp.indiegames.us
 
+# fix build with recent ffmpeg
+EXTRA_PATCHES=	${FILESDIR}/af833f059cc0cfc925792e019f6c2b754c6d53c1.patch:-p1
+
 LICENSE=	VOLITION
 LICENSE_NAME=	Volition Copyright
 LICENSE_FILE=	${WRKSRC}/Copying.md
 LICENSE_PERMS=	dist-mirror auto-accept
 
 LIB_DEPENDS=	libavcodec.so:multimedia/ffmpeg \
 		libjansson.so:devel/jansson \
 		libpng.so:graphics/png \
 		libfreetype.so:print/freetype2
 
 USES=		cmake compiler:c++11-lib lua:51 jpeg openal pkgconfig sdl
 USE_GITHUB=	yes
 GH_ACCOUNT=	scp-fs2open
 GH_PROJECT=	fs2open.github.com
 GH_TUPLE=	asarium:cmake-modules:7cef957:cmakemodules/cmake/external/rpavlik-cmake-modules \
 		asarium:libRocket:ae8a8d9:libRocket/lib/libRocket
 USE_SDL=	sdl2
 
 LDFLAGS_i386=	-Wl,-znotext
 
 PLIST_FILES=	bin/fs2_open
 
 do-install:
 	${INSTALL_PROGRAM} ${BUILD_WRKSRC}/bin/fs2_open \
 		${STAGEDIR}${PREFIX}/bin
 
 .include <bsd.port.mk>
diff --git a/games/fs2open/files/af833f059cc0cfc925792e019f6c2b754c6d53c1.patch b/games/fs2open/files/af833f059cc0cfc925792e019f6c2b754c6d53c1.patch
new file mode 100644
index 000000000000..2c456bb22a5f
--- /dev/null
+++ b/games/fs2open/files/af833f059cc0cfc925792e019f6c2b754c6d53c1.patch
@@ -0,0 +1,66 @@
+From af833f059cc0cfc925792e019f6c2b754c6d53c1 Mon Sep 17 00:00:00 2001
+From: Taylor Richards <taylor@notimaginative.com>
+Date: Sun, 17 Aug 2025 17:09:41 -0400
+Subject: [PATCH] fix avcodec deprecation warnings
+
+---
+ code/cutscene/ffmpeg/internal.cpp    | 9 ++++++---
+ code/sound/ffmpeg/FFmpegWaveFile.cpp | 3 ++-
+ 2 files changed, 8 insertions(+), 4 deletions(-)
+
+diff --git a/code/cutscene/ffmpeg/internal.cpp b/code/cutscene/ffmpeg/internal.cpp
+index be0920a5068..4f087d10191 100644
+--- a/code/cutscene/ffmpeg/internal.cpp
++++ b/code/cutscene/ffmpeg/internal.cpp
+@@ -12,9 +12,10 @@ DecoderStatus::~DecoderStatus() {
+ 	videoCodec = nullptr;
+ 
+ 	if (videoCodecCtx != nullptr) {
+-		avcodec_close(videoCodecCtx);
+ #if LIBAVCODEC_VERSION_INT > AV_VERSION_INT(57, 24, 255)
+ 		avcodec_free_context(&videoCodecCtx);
++#else
++		avcodec_close(videoCodecCtx);
+ #endif
+ 		videoCodecCtx = nullptr;
+ 	}
+@@ -24,9 +25,10 @@ DecoderStatus::~DecoderStatus() {
+ 	audioCodec = nullptr;
+ 
+ 	if (audioCodecCtx != nullptr) {
+-		avcodec_close(audioCodecCtx);
+ #if LIBAVCODEC_VERSION_INT > AV_VERSION_INT(57, 24, 255)
+ 		avcodec_free_context(&audioCodecCtx);
++#else
++		avcodec_close(audioCodecCtx);
+ #endif
+ 		audioCodecCtx = nullptr;
+ 	}
+@@ -36,9 +38,10 @@ DecoderStatus::~DecoderStatus() {
+ 	subtitleCodec = nullptr;
+ 
+ 	if (subtitleCodecCtx != nullptr) {
+-		avcodec_close(subtitleCodecCtx);
+ #if LIBAVCODEC_VERSION_INT > AV_VERSION_INT(57, 24, 255)
+ 		avcodec_free_context(&subtitleCodecCtx);
++#else
++		avcodec_close(subtitleCodecCtx);
+ #endif
+ 		subtitleCodecCtx = nullptr;
+ 	}
+diff --git a/code/sound/ffmpeg/FFmpegWaveFile.cpp b/code/sound/ffmpeg/FFmpegWaveFile.cpp
+index ab1e0ddc520..77541d7b826 100644
+--- a/code/sound/ffmpeg/FFmpegWaveFile.cpp
++++ b/code/sound/ffmpeg/FFmpegWaveFile.cpp
+@@ -151,9 +151,10 @@ FFmpegWaveFile::~FFmpegWaveFile()
+ 	av_frame_free(&m_decodeFrame);
+ 
+ 	if (m_audioCodecCtx) {
+-		avcodec_close(m_audioCodecCtx);
+ #if LIBAVCODEC_VERSION_INT > AV_VERSION_INT(57, 24, 255)
+ 		avcodec_free_context(&m_audioCodecCtx);
++#else
++		avcodec_close(m_audioCodecCtx);
+ #endif
+ 		m_audioCodecCtx = nullptr;
+ 	}