diff --git a/graphics/rawstudio/Makefile b/graphics/rawstudio/Makefile
index c8170d1c3cbb..774a3ede69c8 100644
--- a/graphics/rawstudio/Makefile
+++ b/graphics/rawstudio/Makefile
@@ -42,6 +42,12 @@ OPTIONS_SUB=	yes
 
 NLS_USES=	gettext
 
+.include <bsd.port.options.mk>
+
+.if ${OPSYS} == FreeBSD && ( ${OSVERSION} >= 1400091 || ( ${OSVERSION} >= 1302507 && ${OSVERSION} < 1400000 ))
+CFLAGS+=	-Wno-error=incompatible-function-pointer-types
+.endif
+
 post-patch:
 	@${REINPLACE_CMD} -e '/^pkg_modules=/s,libssl,gthread-2.0,' \
 		${WRKSRC}/configure