diff --git a/graphics/ospray-studio/Makefile b/graphics/ospray-studio/Makefile
index 6be2a676f095..28dc53069d38 100644
--- a/graphics/ospray-studio/Makefile
+++ b/graphics/ospray-studio/Makefile
@@ -1,35 +1,34 @@
 PORTNAME=	ospray-studio
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.10.0
 CATEGORIES=	graphics
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Application to showcase OSPRay's rendering capabilities
 
 LICENSE=	APACHE20
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 LIB_DEPENDS=	libglfw.so:graphics/glfw \
 		libospray.so:graphics/ospray \
 		librkcommon.so:devel/rkcommon \
 		libtbb.so:devel/onetbb
 
 USES=		cmake gl pkgconfig
 USE_GL=		gl glu
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	ospray
 GH_PROJECT=	${PORTNAME:S/-/_/}
 
-CMAKE_ON=	OSPRAY_INSTALL
 CMAKE_OFF=	USE_PYSG
+CMAKE_OFF+=	OSPRAY_INSTALL # otherwise it installs all dependencies, see https://github.com/ospray/ospray_studio/issues/8
 
 PLIST_FILES=	bin/ospStudio \
 		lib/libospray_sg.so
 
-do-install: # workaround for https://github.com/ospray/ospray_studio/issues/8
-	${INSTALL_PROGRAM} ${BUILD_WRKSRC}/ospStudio ${STAGEDIR}${LOCALBASE}/bin
-	${INSTALL_LIB} ${BUILD_WRKSRC}/libospray_sg.so ${STAGEDIR}${LOCALBASE}/lib
+post-install:
+	@${RM} -rf ${STAGEDIR}${LOCALBASE}/share/doc/ospray_studio
 
 .include <bsd.port.mk>