diff --git a/emulators/openmsx/Makefile b/emulators/openmsx/Makefile
index d8670cb44a2e..eccf775d8415 100644
--- a/emulators/openmsx/Makefile
+++ b/emulators/openmsx/Makefile
@@ -1,54 +1,54 @@
 PORTNAME=	openmsx
 PORTVERSION=	16.0
 PORTREVISION=	1
 CATEGORIES=	emulators
 
 MAINTAINER=	menelkir@itroll.org
 COMMENT=	Open source MSX emulator
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/doc/GPL.txt
 
 LIB_DEPENDS=	libpng.so:graphics/png \
 		libogg.so:audio/libogg \
 		libvorbis.so:audio/libvorbis \
 		libtheora.so:multimedia/libtheora \
 		libao.so:audio/libao \
 		libfreetype.so:print/freetype2 \
 		libasound.so:audio/alsa-lib
 
-USES=		gl gmake python sdl tcl
+USES=		gl gmake pkgconfig python sdl tcl
 USE_GCC=	yes
 USE_GL=		gl glew
 USE_SDL=	sdl2 ttf2
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	openMSX
 GH_PROJECT=	openMSX
 GH_TAGNAME=	a46a814
 
 BINARY_ALIAS=	python3=${PYTHON_CMD}
 
 MAKEFILE=	GNUmakefile
 MAKE_ARGS=	INSTALL_BINARY_DIR=${PREFIX}/bin \
 		INSTALL_SHARE_DIR=${DATADIR} \
 		INSTALL_DOC_DIR=${DOCSDIR} \
 		OPENMSX_CXX=${CXX} \
 		CXXFLAGS="${CXXFLAGS}"
 
 PLIST_FILES=	bin/openmsx
 PORTDATA=	*
 PORTDOCS=	*
 
 OPTIONS_DEFINE=	DOCS
 
 post-patch:
 	@${REINPLACE_CMD} -e 's/{TCL_LIB_SPEC}/& $${TCL_LD_FLAGS}/' \
 		${WRKSRC}/build/libraries.py
 	@${REINPLACE_CMD} -e '/^SYMLINK_FOR_BINARY/s/true/false/' \
 		${WRKSRC}/build/custom.mk
 
 post-install-DOCS-off:
 	${RM} -r ${STAGEDIR}${DOCSDIR}
 
 .include <bsd.port.mk>