diff --git a/games/opengfx/Makefile b/games/opengfx/Makefile
index 5807ddc33fc4..b0cf6a4d9735 100644
--- a/games/opengfx/Makefile
+++ b/games/opengfx/Makefile
@@ -1,29 +1,29 @@
 # Created by: Ilya A. Arkhipov <rum1cro@yandex.ru>
 
 PORTNAME=	opengfx
 PORTVERSION=	7.1
 CATEGORIES=	games
 MASTER_SITES=	https://cdn.openttd.org/${PORTNAME}-releases/${PORTVERSION}/
 PKGNAMEPREFIX=	openttd-
 DISTFILES=	${PORTNAME}-${PORTVERSION}-all.zip
 
 MAINTAINER=	rum1cro@yandex.ru
 COMMENT=	Free alternative graphics for OpenTTD game engine
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/license.txt
 
 NO_ARCH=	yes
 NO_BUILD=	yes
 
+DATADIR=	${PREFIX}/share/openttd/baseset/${PORTNAME}
+
 post-extract:
 	@cd ${WRKDIR} && tar -xf ${PORTNAME}-${PORTVERSION}.tar
 
 do-install:
-	@${MKDIR} \
-		${STAGEDIR}${PREFIX}/share/openttd/baseset/${PORTNAME}
-	${INSTALL_DATA} \
-		${WRKSRC}/* \
-		${STAGEDIR}${PREFIX}/share/openttd/baseset/${PORTNAME}
+	@${MKDIR} ${STAGEDIR}${DATADIR}
+	${INSTALL_DATA} ${WRKSRC}/* ${STAGEDIR}${DATADIR}
+
 
 .include <bsd.port.mk>