Index: Makefile
===================================================================
--- Makefile	(revision 533989)
+++ Makefile	(working copy)
@@ -3,7 +3,7 @@
 
 PORTNAME=	monitoring-plugins
 PORTVERSION=	2.2
-PORTREVISION=	7
+PORTREVISION=	8
 CATEGORIES=	net-mgmt
 MASTER_SITES=	https://www.monitoring-plugins.org/download/ LOCAL/mat/${PORTNAME}
 
@@ -65,9 +65,13 @@
 		ac_cv_path_PATH_TO_PING=/sbin/ping \
 		ac_cv_path_PATH_TO_PING6=/sbin/ping6 \
 		--with-ping-command="/sbin/ping -n -t %d -c %d %s" \
-		--with-ping6-command="/sbin/ping6 -n -X %d -c %d %s" \
 		ac_cv_path_PATH_TO_SUDO=${LOCALBASE}/bin/sudo \
 		ac_cv_path_PATH_TO_SMBCLIENT=${LOCALBASE}/bin/smbclient
+.if ${OSREL:R} < 13
+CONFIGURE_ARGS+=	--with-ping6-command="/sbin/ping6 -n -X %d -c %d %s"
+.else
+CONFIGURE_ARGS+=	--with-ping6-command="/sbin/ping6 -n -t %d -c %d %s"
+.endif
 
 CPPFLAGS+=	-I${LOCALBASE}/include
 LIBS+=		-L${LOCALBASE}/lib