diff --git a/net/py-pyfixbuf/Makefile b/net/py-pyfixbuf/Makefile
index 50cd2ea98a22..605517425ac9 100644
--- a/net/py-pyfixbuf/Makefile
+++ b/net/py-pyfixbuf/Makefile
@@ -1,22 +1,28 @@
 PORTNAME=	pyfixbuf
 PORTVERSION=	0.9.0
 CATEGORIES=	net python
 MASTER_SITES=	https://tools.netsa.cert.org/releases/
 PKGNAMEPREFIX=	${PYTHON_PKGNAMEPREFIX}
 
 MAINTAINER=	antoine@FreeBSD.org
 COMMENT=	Python API for libfixbuf
 WWW=		https://tools.netsa.cert.org/pyfixbuf/
 
 LICENSE=	GPLR LGPL21
 LICENSE_COMB=	multi
 LICENSE_NAME_GPLR=	Government Purpose License Rights
 LICENSE_FILE_GPLR=	${WRKSRC}/LICENSE-OPENSOURCE.txt
 LICENSE_PERMS_GPLR=	dist-mirror dist-sell pkg-mirror pkg-sell auto-accept
 
 LIB_DEPENDS=	libfixbuf.so:net/libfixbuf
 
-USES=		pkgconfig python:3.6+
+USES=		compiler pkgconfig python
 USE_PYTHON=	distutils autoplist
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if ${COMPILER_TYPE} == clang && ${COMPILER_VERSION} >= 160
+CPPFLAGS+=	-Wno-error=incompatible-function-pointer-types
+.endif
+
+.include <bsd.port.post.mk>