diff --git a/x11-fonts/afdko/Makefile b/x11-fonts/afdko/Makefile
index 4de09a633c31..f5b4d62fabc0 100644
--- a/x11-fonts/afdko/Makefile
+++ b/x11-fonts/afdko/Makefile
@@ -1,17 +1,23 @@
 PORTNAME=	afdko
 PORTVERSION=	3.9.5
 CATEGORIES=	x11-fonts
 MASTER_SITES=	https://github.com/adobe-type-tools/afdko/releases/download/${PORTVERSION}/
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Adobe Font Development Kit for OpenType (AFDKO)
 WWW=		https://github.com/adobe-type-tools/afdko
 
 LICENSE=	APACHE20
 
 USES=		cmake compiler:c++11-lang gnome
 USE_GNOME=	libxml2
 
 CMAKE_OFF=	SKBUILD
 
+.include <bsd.port.options.mk>
+
+.if ${OPSYS} == FreeBSD && ${OSVERSION} >= 1400091
+CFLAGS+=	-Wno-error=incompatible-function-pointer-types
+.endif
+
 .include <bsd.port.mk>