diff --git a/security/mate-pam-helper/Makefile b/security/mate-pam-helper/Makefile
index 58d26bce1548..46ef0b1c5dad 100644
--- a/security/mate-pam-helper/Makefile
+++ b/security/mate-pam-helper/Makefile
@@ -1,18 +1,24 @@
 PORTNAME=	mate-pam-helper
 DISTVERSION=	1.3
 CATEGORIES=	security sysutils
 
 MAINTAINER=	ericbsd@FreeBSD.org
 COMMENT=	MATE authenticate applications requiring PAM services
 WWW=		https://github.com/ghostbsd/mate-pam-helper
 
 LICENSE=	BSD2CLAUSE
 
 USES=		uidfix
 USE_CSTD=	c11
 USE_GITHUB=	yes
 GH_ACCOUNT=	GhostBSD
 
 PLIST_FILES=	bin/mate_pam_helper
 
+.include <bsd.port.options.mk>
+
+.if ${OPSYS} == FreeBSD && ${OSVERSION} >= 1400091
+CFLAGS+=	-Wno-error=unused-but-set-variable
+.endif
+
 .include <bsd.port.mk>