diff --git a/audio/rsgain/Makefile b/audio/rsgain/Makefile
index 77f2e7f5f933..0c4d8bd4aa04 100644
--- a/audio/rsgain/Makefile
+++ b/audio/rsgain/Makefile
@@ -1,34 +1,35 @@
 PORTNAME=	rsgain
 DISTVERSION=	3.5
+PORTREVISION=	1
 DISTVERSIONSUFFIX=	-source
 CATEGORIES=	audio
 MASTER_SITES=	https://github.com/complexlogic/rsgain/releases/download/v${DISTVERSION}/
 
 MAINTAINER=	jhale@FreeBSD.org
 COMMENT=	ReplayGain 2.0 tagging utility
 WWW=		https://github.com/complexlogic/rsgain
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libtag.so:audio/taglib \
 		libfmt.so:devel/libfmt \
 		libinih.so:devel/inih \
 		libavcodec.so:multimedia/ffmpeg
 
 USES=		cmake compiler:c++2b-lang ebur128 pkgconfig tar:xz
 
 CMAKE_ARGS=	-DMAXPROGBARWIDTH=80
 CMAKE_ON=	INSTALL_MANPAGE
 WRKSRC=		${WRKDIR}/${PORTNAME}-${DISTVERSION}
 
 OPTIONS_DEFINE=		DOCS UNICODE
 OPTIONS_DEFAULT=	UNICODE
 
 UNICODE_CMAKE_BOOL=	UCHECKMARKS
 
 post-install:
 	${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${WRKSRC}/README.md ${STAGEDIR}${DOCSDIR}
 
 .include <bsd.port.mk>
diff --git a/audio/rsgain/files/patch-src_scan.cpp b/audio/rsgain/files/patch-src_scan.cpp
new file mode 100644
index 000000000000..3d9dbb23b23f
--- /dev/null
+++ b/audio/rsgain/files/patch-src_scan.cpp
@@ -0,0 +1,16 @@
+Fix a segfault when calculating album loudness.
+
+PR: 278838
+Regressed by: https://github.com/complexlogic/rsgain/commit/63e87a4f7d3b5c816eab630fba41ba9a63b82519
+
+--- src/scan.cpp.orig	2024-02-25 17:47:20 UTC
++++ src/scan.cpp
+@@ -639,7 +639,7 @@ void ScanJob::calculate_album_loudness() 
+     std::vector<ebur128_state*> states(nb_states);
+     for (const Track &track : tracks)
+         if (track.result.track_loudness != -HUGE_VAL)
+-            states.emplace_back(track.ebur128.get());
++            states[(size_t) (&track - &tracks[0])] = track.ebur128.get();
+ 
+     if (ebur128_loudness_global_multiple(states.data(), states.size(), &album_loudness) != EBUR128_SUCCESS)
+         album_loudness = config.target_loudness;