diff --git a/games/warzone2100/Makefile b/games/warzone2100/Makefile
index c3b1e1026a28..2b189d8791b9 100644
--- a/games/warzone2100/Makefile
+++ b/games/warzone2100/Makefile
@@ -1,67 +1,67 @@
 PORTNAME=	warzone2100
 PORTVERSION=	4.0.1
 PORTREVISION=	1
 CATEGORIES=	games
 MASTER_SITES=	SF/${PORTNAME}/releases/${PORTVERSION}/
 DISTNAME=	${PORTNAME}_src
 DIST_SUBDIR=	${PORTNAME}-${PORTVERSION}
 
 MAINTAINER=	amdmi3@FreeBSD.org
 COMMENT=	Innovative 3D real-time strategy game
 
 LICENSE=	GPLv2+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
-BUILD_DEPENDS=	7z:archivers/p7zip \
+BUILD_DEPENDS=	7zz:archivers/7-zip \
 		a2x:textproc/asciidoc
 LIB_DEPENDS=	libphysfs.so:devel/physfs \
 		libpng.so:graphics/png \
 		libvorbis.so:audio/libvorbis \
 		libogg.so:audio/libogg \
 		libtheora.so:multimedia/libtheora \
 		libfreetype.so:print/freetype2 \
 		libharfbuzz.so:print/harfbuzz \
 		libsodium.so:security/libsodium \
 		libcurl.so:ftp/curl \
 		libsqlite3.so:databases/sqlite3 \
 		libminiupnpc.so:net/miniupnpc
 RUN_DEPENDS=	${LOCALBASE}/share/fonts/dejavu/DejaVuSans.ttf:x11-fonts/dejavu
 
 USES=		cmake bison compiler:c++11-lib gl openal:al pkgconfig \
 		sdl tar:xz
 USE_GL=		gl
 USE_SDL=	sdl2
 CMAKE_ARGS=	-DWZ_DISTRIBUTOR="FreeBSD ports" \
 		-DCMAKE_DISABLE_FIND_PACKAGE_Asciidoctor=TRUE \
 	       	-DCMAKE_DISABLE_FIND_PACKAGE_Git=TRUE \
 		-DWZ_ENABLE_WARNINGS_AS_ERRORS=FALSE \
 		-DFETCHCONTENT_FULLY_DISCONNECTED=TRUE
 
 WRKSRC=		${WRKDIR}/${PORTNAME}
 
 PORTDOCS=	*
 PORTDATA=	*
 
 OPTIONS_DEFINE=	VULKAN DOCS NLS
 OPTIONS_DEFAULT=VULKAN
 OPTIONS_SUB=	yes
 
 NLS_USES=	gettext
 NLS_CMAKE_BOOL=	ENABLE_NLS
 
 VULKAN_DESC=		Enable Vulkan backend
 VULKAN_LIB_DEPENDS=	libvulkan.so:graphics/vulkan-loader
 VULKAN_BUILD_DEPENDS=	vulkan-headers>0:graphics/vulkan-headers \
 			${LOCALBASE}/bin/glslc:graphics/shaderc
 VULKAN_CMAKE_BOOL=	WZ_ENABLE_BACKEND_VULKAN
 
 post-patch:
 	@${FIND} ${WRKSRC} -type f -iname "*cmake*" -exec \
 		${REINPLACE_CMD} -i '' -e '/find_package(Git/d' {} \;
 
 post-extract:
 .for bundled in miniupnp SQLiteCpp/sqlite3
 	@${RM} -rf ${WRKSRC}/3rdparty/${bundled}
 .endfor
 
 .include <bsd.port.mk>
diff --git a/games/warzone2100/files/patch-cmake_FindZIP.cmake b/games/warzone2100/files/patch-cmake_FindZIP.cmake
new file mode 100644
index 000000000000..62eb09120fae
--- /dev/null
+++ b/games/warzone2100/files/patch-cmake_FindZIP.cmake
@@ -0,0 +1,22 @@
+--- cmake/FindZIP.cmake.orig	2021-04-18 18:28:41 UTC
++++ cmake/FindZIP.cmake
+@@ -29,8 +29,8 @@ set(_PF32BIT "ProgramFiles(x86)")
+ #
+ 
+ # Search for 7-Zip
+-find_program(ZIP_EXECUTABLE NAMES 7z 7za PATHS "$ENV{ProgramFiles}/7-Zip" "$ENV{${_PF32BIT}}/7-Zip" "$ENV{ProgramW6432}/7-Zip")
+-if(ZIP_EXECUTABLE MATCHES "7z|7za")
++find_program(ZIP_EXECUTABLE NAMES 7zz REQUIRED)
++if(ZIP_EXECUTABLE MATCHES "7zz")
+ 	# Test whether 7-Zip supports the "-bb0" option to disable log output
+ 	execute_process(COMMAND ${ZIP_EXECUTABLE} i -bb0
+ 					RESULT_VARIABLE 7z_bb_result
+@@ -110,7 +110,7 @@ function(COMPRESS_ZIP)
+ 		message( FATAL_ERROR "Unsupported compression level \"${_parsedArguments_COMPRESSION_LEVEL}\" (must be: 0, 1, 3, 5, 7, 9)" )
+ 	endif()
+ 
+-	if(ZIP_EXECUTABLE MATCHES "7z|7za")
++	if(ZIP_EXECUTABLE MATCHES "7zz")
+ 		set(_zipExecutableOptions a -tzip -mtc=off)
+ 		if(DEFINED _parsedArguments_COMPRESSION_LEVEL)
+ 			# 7z command-line option for compression level (when in ZIP mode) is: "-mx=#"