diff --git a/devel/libclc/Makefile b/devel/libclc/Makefile
index 5c606271ec5c..833a6f75c384 100644
--- a/devel/libclc/Makefile
+++ b/devel/libclc/Makefile
@@ -1,40 +1,40 @@
 # Created by: Koop Mast <kwm@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	libclc
 DISTVERSION=	0.2.0.20151006
 CATEGORIES=	devel
 
 MAINTAINER=	x11@FreeBSD.org
 COMMENT=	Required library functions for OpenCL C programming language
 
 BUILD_DEPENDS=	clang${LLVMVER}:devel/llvm${LLVMVER} \
 		libedit>=0:devel/libedit
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	llvm-mirror
 GH_TAGNAME=	6d78407
 
-GNU_CONFIGURE=	yes
 USES=		gmake python:2,build ninja
 USE_LDCONFIG=	yes
 MAKE_ENV=	MAKE=${GMAKE} DESTDIR=${STAGEDIR}
 
 LLVMVER=	37
 
 ALL_TARGET=
 
 BROKEN_FreeBSD_9=	missing <system_error> header
 
 post-patch:
 	@${REINPLACE_CMD} -e 's|/usr/bin/python|${PYTHON_CMD}|g' \
 		-e 's|"python |"${PYTHON_VERSION} |g' \
 		${WRKSRC}/build/ninja_syntax.py \
 		${WRKSRC}/configure.py
 
 do-configure:
 	@cd ${WRKSRC} && ${PYTHON_CMD} configure.py ${CONFIGURE_ARGS} -g ninja \
 		--with-llvm-config=${LOCALBASE}/bin/llvm-config${LLVMVER} \
-		--pkgconfigdir=${PREFIX}/libdata/pkgconfig
+		--pkgconfigdir=${PREFIX}/libdata/pkgconfig \
+		--prefix=${PREFIX}
 
 .include <bsd.port.mk>