diff --git a/emulators/openmsx/Makefile b/emulators/openmsx/Makefile
index d8670cb44a2ee..eccf775d84158 100644
--- a/emulators/openmsx/Makefile
+++ b/emulators/openmsx/Makefile
@@ -17,7 +17,7 @@ LIB_DEPENDS=	libpng.so:graphics/png \
 		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