Index: head/multimedia/librav1e/Makefile
===================================================================
--- head/multimedia/librav1e/Makefile	(revision 531432)
+++ head/multimedia/librav1e/Makefile	(revision 531433)
@@ -1,26 +1,27 @@
 # $FreeBSD$
 
 PORTREVISION=	3
 PKGNAMEPREFIX=	lib
 
 MASTERDIR=	${.CURDIR}/../rav1e
 PLIST=		${.CURDIR}/pkg-plist
 
 BUILD_DEPENDS=	cargo-cbuild:devel/cargo-c
 
 PLIST_FILES=	# empty
 PLIST_SUB=	VERSION=${DISTVERSION:C/-.*//}
 
 do-build:
 	@${CARGO_CARGO_RUN} cbuild \
 		${CARGO_BUILD_ARGS}
 
 do-install:
 	@${CARGO_CARGO_RUN} cinstall \
 		--destdir "${STAGEDIR}" \
+		--prefix "${PREFIX}" \
 		${CARGO_BUILD_ARGS}
 
 post-install:
 	@${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/*.so
 
 .include "${MASTERDIR}/Makefile"