diff --git a/security/dirmngr/Makefile b/security/dirmngr/Makefile
index a2972fce0b97..16a825651468 100644
--- a/security/dirmngr/Makefile
+++ b/security/dirmngr/Makefile
@@ -1,41 +1,43 @@
 PORTNAME=	dirmngr
 PORTVERSION=	1.1.0
 PORTREVISION=	17
 CATEGORIES=	security
 MASTER_SITES=	GNUPG
 DISTFILES=	${DISTNAME}${EXTRACT_SUFX} ${DISTNAME}${EXTRACT_SUFX}.sig
 EXTRACT_ONLY=	${DISTNAME}${EXTRACT_SUFX}
 
 MAINTAINER=	umq@ueo.co.jp
 COMMENT=	Client for managing and downloading certificate revocation lists
 WWW=		https://www.gnupg.org/aegypten2
 
 LICENSE=	GPLv2
 
+BROKEN=		does not build with security/libassuan >= 3.0.0 (GNU Pth support was dropped)
+
 LIB_DEPENDS=	libassuan.so:security/libassuan \
 		libgcrypt.so:security/libgcrypt \
 		libgpg-error.so:security/libgpg-error \
 		libksba.so:security/libksba \
 		libpth.so:devel/pth
 
 USES=		gmake iconv ldap tar:bzip2
 GNU_CONFIGURE=	yes
 GNU_CONFIGURE_MANPREFIX=${PREFIX}/share
 INFO=		dirmngr
 
 CONFIGURE_ARGS+=	--docdir=${DOCSDIR}
 LDFLAGS+=	-L${LOCALBASE}/lib
 CFLAGS+=	-fcommon
 
 CONFLICTS_INSTALL=	gnupg # bin/dirmngr bin/dirmngr-client
 
 OPTIONS_DEFINE=	NLS
 OPTIONS_SUB=	yes
 
 NLS_CONFIGURE_ENABLE=	nls
 NLS_USES=	gettext
 
 verify: checksum
 	gpg --verify ${DISTDIR}/${DISTNAME}${EXTRACT_SUFX}.sig
 
 .include <bsd.port.mk>