diff --git a/devel/protobuf-c/Makefile b/devel/protobuf-c/Makefile
index 80ffb2fda665..5b5a2eae7444 100644
--- a/devel/protobuf-c/Makefile
+++ b/devel/protobuf-c/Makefile
@@ -1,42 +1,43 @@
 PORTNAME=	protobuf-c
 DISTVERSION=	1.5.1
 PORTREVISION=	4
 CATEGORIES=	devel
 MASTER_SITES=	https://github.com/protobuf-c/protobuf-c/releases/download/v${DISTVERSION}/
 
 MAINTAINER=	truckman@FreeBSD.org
 COMMENT=	Code generator and libraries to use Protocol Buffers from pure C
 WWW=		https://github.com/protobuf-c/protobuf-c
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libabsl_log_internal_check_op.so:devel/abseil \
 		libprotobuf.so:devel/protobuf
 
-USES=		compiler:c++17-lang gmake libtool pkgconfig
+USES=		compiler:c++17-lang cpe gmake libtool pkgconfig
+CPE_VENDOR=	protobuf-c_project
 USE_CXXSTD=	c++17
 USE_LDCONFIG=	yes
 
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--disable-static
 
 INSTALL_TARGET=	install-strip
 TEST_TARGET=	check
 
 HAS_SYMBOL_VERSION=	${PREFIX}/lib/libprotobuf-c.so.1.0.0
 
 PORTDOCS=	*
 
 OPTIONS_DEFINE=	DOXYGEN DOCS
 OPTIONS_DEFAULT=	DOXYGEN
 
 DOXYGEN_IMPLIES=	DOCS
 DOXYGEN_BUILD_DEPENDS=	doxygen:devel/doxygen
 DOXYGEN_ALL_TARGET=	html-local
 
 post-install-DOXYGEN-on:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}/html
 	${INSTALL_DATA} ${WRKSRC}/html/* ${STAGEDIR}${DOCSDIR}/html
 
 .include <bsd.port.mk>