diff --git a/math/py-levmar/Makefile b/math/py-levmar/Makefile
index 3e5e28f7451c..ea49e3ad6831 100644
--- a/math/py-levmar/Makefile
+++ b/math/py-levmar/Makefile
@@ -1,41 +1,45 @@
 # levmar library (math/levmar) is bundled
 
 PORTNAME=	levmar
 DISTVERSION=	0.2.3
 PORTREVISION=	1
 CATEGORIES=	math python
 MASTER_SITES=	PYPI
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Binding to levmar library (Levenberg-Marquardt optimization algorithm)
 WWW=		https://github.com/bjodah/levmar
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 BUILD_DEPENDS=	${PYNUMPY}
 LIB_DEPENDS=	libblas.so:math/blas \
 		liblapack.so:math/lapack
 TEST_DEPENDS=	${PYTHON_PKGNAMEPREFIX}pytest4>0:devel/py-pytest4@${PY_FLAVOR} \
 		${PYNUMPY}
 
 USES=		python
 USE_PYTHON=	distutils autoplist
 
 .include <bsd.port.pre.mk>
 
 .if ${OPSYS} == FreeBSD && ( ${OSVERSION} >= 1400079 || ( ${OSVERSION} >= 1302505 && ${OSVERSION} < 1400000 ))
 CFLAGS+=	-Wno-error=int-conversion
 .endif
 
+.if ${OPSYS} == FreeBSD && ( ${OSVERSION} >= 1400091 || ( ${OSVERSION} >= 1302507 && ${OSVERSION} < 1400000 ))
+CFLAGS+=	-Wno-error=incompatible-function-pointer-types
+.endif
+
 post-patch:
 	@${REINPLACE_CMD} -e 's|ö|o|' ${WRKSRC}/AUTHORS # breaks because of non-ascii chars
 
 post-install:
 	@${STRIP_CMD} ${STAGEDIR}${PYTHON_SITELIBDIR}/${PORTNAME}/_${PORTNAME}*.so
 
 do-test:
 	@cd ${WRKSRC}/levmar/tests && ${PYTHON_CMD} -m pytest --pyargs levmar
 
 .include <bsd.port.post.mk>