diff --git a/sysutils/diskimage-tools/Makefile b/sysutils/diskimage-tools/Makefile
index 1384399b2b89..5afe1ab0932c 100644
--- a/sysutils/diskimage-tools/Makefile
+++ b/sysutils/diskimage-tools/Makefile
@@ -1,25 +1,25 @@
 PORTNAME=	diskimage-tools
 DISTVERSION=	0.3.1-1
 DISTVERSIONSUFFIX=	-g5728747
 CATEGORIES=	sysutils
 
 MAINTAINER=	jwb@FreeBSD.org
 COMMENT=	Convenience tools for manipulating disk images
 WWW=		https://github.com/outpaddling/diskimage-tools
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	outpaddling
 
 NO_BUILD=	yes
 NO_ARCH=	yes
 MANPREFIX=	${PREFIX}/share
 
 do-install:
-	@${MKDIR} ${PREFIX}/sbin ${MANPREFIX}/man/man1
+	@${MKDIR} ${STAGEDIR}${PREFIX}/sbin ${STAGEDIR}${MANPREFIX}/man/man1
 	${INSTALL_SCRIPT} ${WRKSRC}/Scripts/* ${STAGEDIR}${PREFIX}/sbin
 	${INSTALL_MAN} ${WRKSRC}/Man/*.1 ${STAGEDIR}${MANPREFIX}/man/man1
 
 .include <bsd.port.mk>