diff --git a/textproc/expat2/Makefile b/textproc/expat2/Makefile
index f24d6a60a027..3c14a1248f0d 100644
--- a/textproc/expat2/Makefile
+++ b/textproc/expat2/Makefile
@@ -1,38 +1,39 @@
 # Created by: Dirk Froemberg <dirk@FreeBSD.org>
 
 PORTNAME=	expat
 DISTVERSION=	2.4.1
 CATEGORIES=	textproc
 MASTER_SITES=	https://github.com/libexpat/libexpat/releases/download/R_${DISTVERSION:S|.|_|g}/
 
 MAINTAINER=	desktop@FreeBSD.org
 COMMENT=	XML 1.0 parser written in C
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 TEST_DEPENDS=	bash:shells/bash
 
-USES=		libtool pathfix python:test tar:xz
+USES=		cpe libtool pathfix python:test tar:xz
 USE_LDCONFIG=	yes
 GNU_CONFIGURE=	yes
+CPE_VENDOR=	libexpat
 
 CONFIGURE_ARGS=	--without-docbook --without-examples
 INSTALL_TARGET=	install-strip
 
 OPTIONS_DEFINE=	DOCS STATIC TEST
 OPTIONS_SUB=	yes
 
 STATIC_CONFIGURE_ENABLE=	static
 
 TEST_USES=	shebangfix
 SHEBANG_FILES=	test-driver-wrapper.sh tests/udiffer.py tests/xmltest.sh
 TEST_CONFIGURE_WITH=	tests
 TEST_TARGET=	check
 
 PLIST_SUB=	EXPAT_VERSION=${DISTVERSION}
 
 post-install:
 	${INSTALL_MAN} ${WRKSRC}/doc/xmlwf.1 ${STAGEDIR}${MANPREFIX}/man/man1/
 
 .include <bsd.port.mk>