diff --git a/science/cantera/Makefile b/science/cantera/Makefile
index f8891b0e3d5d..f48b4fcbadfd 100644
--- a/science/cantera/Makefile
+++ b/science/cantera/Makefile
@@ -1,51 +1,53 @@
 PORTNAME=	cantera
 DISTVERSIONPREFIX=	v
 DISTVERSION=	2.5.1-552
 DISTVERSIONSUFFIX=	-gcf085e47e
+PORTREVISION=	1
 CATEGORIES=	science # chemistry physics
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Chemical kinetics, thermodynamics, and transport tool suite
 
 LICENSE=	BSD3CLAUSE
 LICENSE_FILE=	${WRKSRC}/License.txt
 
 BUILD_DEPENDS=	googletest>0:devel/googletest
 LIB_DEPENDS=	libfmt.so:devel/libfmt \
 		libsundials_cvodes.so:math/sundials \
 		libyaml-cpp.so:devel/yaml-cpp
 
-USES=		compiler:c++11-lang eigen:3 python scons
+USES=		compiler:c++11-lang eigen:3 scons
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	Cantera
 
 MAKE_ARGS=	system_eigen='y' \
 		system_sundials='y' \
 		system_fmt='y' \
 		system_yamlcpp='y' \
 		googletest='system' \
-		sundials_include='/usr/local/include/sundials' \
+		sundials_include='${LOCALBASE}/include/sundials' \
 		extra_inc_dirs="${LOCALBASE}/include:${LOCALBASE}/include/eigen3" \
 		extra_lib_dirs="${LOCALBASE}/lib" \
 		debug='no' \
 		cc_flags="${CXXFLAGS}" \
 		prefix="${PREFIX}"
 
 ALL_TARGET=	build
 TEST_TARGET=	test # some tests fail, see https://github.com/Cantera/cantera/issues/1095
 
 OPTIONS_DEFINE=		PYTHON
 
+PYTHON_USES=		python
 PYTHON_MAKE_ARGS=	python_cmd="${PYTHON_CMD}"
 PYTHON_MAKE_ARGS_OFF=	python_package="none"
 PYTHON_BROKEN=		installs *.cpython-38.pyc files referring to the stage directory, see https://github.com/Cantera/cantera/issues/1094
 
 do-install:
 	cd ${WRKSRC} && \
 		${MAKE_CMD} install \
 			stage_dir="${STAGEDIR}"
 	@${STRIP_CMD} ${STAGEDIR}${PREFIX}/lib/libcantera_shared.so.2.6.0
 
 .include <bsd.port.mk>