diff --git a/games/spring/Makefile b/games/spring/Makefile
index bdb8c17f7c19..0e25bcea07d6 100644
--- a/games/spring/Makefile
+++ b/games/spring/Makefile
@@ -1,86 +1,86 @@
 PORTNAME=	spring
 PORTVERSION=	105.0.1
 CATEGORIES=	games
 
 MAINTAINER=	amdmi3@FreeBSD.org
 COMMENT=	Project aiming to create a new and versatile RTS Engine
 
 LICENSE=	GPLv2+ BSD3CLAUSE BSD2CLAUSE
 LICENSE_COMB=	multi
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libfreetype.so:print/freetype2 \
 		libIL.so:graphics/devil \
 		libogg.so:audio/libogg \
 		libvorbis.so:audio/libvorbis \
 		libminizip.so:archivers/minizip \
 		libfontconfig.so:x11-fonts/fontconfig \
 		libcurl.so:ftp/curl \
 		libunwind.so:devel/libunwind \
 		libjsoncpp.so:devel/jsoncpp
-BUILD_DEPENDS=	7z:archivers/p7zip
+BUILD_DEPENDS=	7zz:archivers/7-zip
 
 BROKEN_FreeBSD_12=	ld: error: undefined symbol: streflop_libm::__inline_isnanf(float)
 ONLY_FOR_ARCHS=		amd64
 ONLY_FOR_ARCHS_REASON=	relies on x86 floating-point math and amd64 atomic ops
 
 USE_GITHUB=	yes
 GH_TUPLE=	spring:Python:3bb6837:Python/AI/Interfaces/Python \
 		spring:AAI:a15f45c:AAI/AI/Skirmish/AAI \
 		spring:CircuitAI:91fd31e:CircuitAI/AI/Skirmish/CircuitAI \
 		spring:HughAI:1a11f5a:HughAI/AI/Skirmish/HughAI \
 		spring:KAIK:f6bdd3e:KAIK/AI/Skirmish/KAIK \
 		spring:Shard:75339ae:Shard/AI/Skirmish/Shard \
 		spring:SpringMapConvNG:76429b4:SprintMapConvNG/tools/mapcompile \
 		spring:pr-downloader:67423a3:pr_downloader/tools/pr-downloader \
 		spring:pyunitsync:6e1b3fd:pyunitsync/tools/unitsync/python
 
 USES=		cmake compiler:c++11-lib desktop-file-utils gl localbase:ldflags \
 		openal:al pkgconfig sdl shared-mime-info xorg
 USE_GL=		gl glu glew
 USE_SDL=	sdl2
 USE_XORG=	x11 xcursor
 CMAKE_ARGS=	-DDATADIR:STRING="share/${PORTNAME}" \
 		-DDOCDIR:STRING="share/doc/${PORTNAME}" \
 		-DAI_TYPES:STRING="NATIVE" \
 		-DCMAKE_DISABLE_FIND_PACKAGE_Git=TRUE \
 		-Wno-dev
 
 MAKE_ENV=	PORTVERSION="${PORTVERSION:R}"  # build system expects 2 digit version
 
 .if defined(WITH_SYNC_DEBUG)
 CFLAGS=		# empty
 CXXFLAGS=	# empty
 CMAKE_ARGS+=	-DTRACE_SYNC=true -DSYNCDEBUG=true -DSYNCCHECK=true
 CMAKE_BUILD_TYPE=DEBUG
 .endif
 
 # The check-target fails right now: https://springrts.com/mantis/view.php?id=4736
 TEST_TARGET=	check
 
 PORTDATA=	*
 
 OPTIONS_DEFINE=	MANPAGES
 OPTIONS_DEFAULT=MANPAGES
 OPTIONS_SUB=	yes
 
 MANPAGES_CMAKE_BOOL=	ENABLE_MANPAGES
 MANPAGES_BUILD_DEPENDS=	asciidoc:textproc/asciidoc \
 			xsltproc:textproc/libxslt \
 			${LOCALBASE}/share/xsl/docbook/manpages/docbook.xsl:textproc/docbook-xsl \
 			bash:shells/bash
 
 post-patch:
 .if defined(WITH_OPTIONAL_GS4)
 	# allows minimal runtest with older hardware
 	@${REINPLACE_CMD} -e '/GLEW_ARB_geometry_shader4/ s|CHECK_REQ_EXT|CHECK_OPT_EXT|' ${WRKSRC}/rts/Rendering/GlobalRendering.cpp
 .endif
 	@${REINPLACE_CMD} -e 's|/etc/\(spring/datadir\)|${PREFIX}/\1|g' \
 		${WRKSRC}/rts/System/FileSystem/DataDirLocater.cpp
 	@${REINPLACE_CMD} -e 's|/usr/local|${LOCALBASE}|g' \
 		${WRKSRC}/rts/build/cmake/*.cmake
 	# XXX: recheck if this is still needed
 	@${REINPLACE_CMD} -e 's|x1F3F|x0F3F|g' \
 		${WRKSRC}/rts/System/Sync/FPUCheck.cpp
 
 .include <bsd.port.mk>
diff --git a/games/spring/files/patch-rts_build_cmake_FindSevenZip.cmake b/games/spring/files/patch-rts_build_cmake_FindSevenZip.cmake
new file mode 100644
index 000000000000..e75226c6175a
--- /dev/null
+++ b/games/spring/files/patch-rts_build_cmake_FindSevenZip.cmake
@@ -0,0 +1,11 @@
+--- rts/build/cmake/FindSevenZip.cmake.orig	2020-12-26 12:45:43 UTC
++++ rts/build/cmake/FindSevenZip.cmake
+@@ -23,7 +23,7 @@ ENDIF (SEVENZIP_BIN)
+ set(progfilesx86 "ProgramFiles(x86)")
+ 
+ find_program(SEVENZIP_BIN
+-	NAMES 7z 7za
++	NAMES 7zz
+ 	HINTS "${MINGWDIR}" "${MINGWLIBS}/bin" "$ENV{${progfilesx86}}/7-zip" "$ENV{ProgramFiles}/7-zip" "$ENV{ProgramW6432}/7-zip"
+ 	PATH_SUFFIXES bin
+ 	DOC "7zip executable"