diff --git a/net/libngtcp2/Makefile b/net/libngtcp2/Makefile
index 11de6287e90f..e3ba50adafda 100644
--- a/net/libngtcp2/Makefile
+++ b/net/libngtcp2/Makefile
@@ -1,36 +1,36 @@
 PORTNAME=	ngtcp2
 PORTVERSION=	1.21.0
 CATEGORIES=	net
 MASTER_SITES=	https://github.com/ngtcp2/ngtcp2/releases/download/v${PORTVERSION}/
 PKGNAMEPREFIX=	lib
 
 MAINTAINER=	sunpoet@FreeBSD.org
 COMMENT=	Implementation of QUIC protocol
 WWW=		https://nghttp2.org/ngtcp2/ \
 		https://github.com/ngtcp2/ngtcp2
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 USES=		libtool pkgconfig tar:xz
 
 CONFIGURE_ARGS=	--enable-lib-only \
 		--with-jemalloc \
 		--without-boringssl \
 		--without-gnutls \
 		--without-libbrotlidec \
 		--without-libbrotlienc \
 		--without-libev \
 		--without-libnghttp3 \
 		--without-openssl \
 		--without-wolfssl
 GNU_CONFIGURE=	yes
 INSTALL_TARGET=	install-strip
 USE_LDCONFIG=	yes
 
-SLAVEDIRS=	net/libngtcp2-gnutls net/libngtcp2-wolfssl
+SLAVEDIRS=	net/libngtcp2-boringssl net/libngtcp2-gnutls net/libngtcp2-wolfssl
 
 post-install:
 	cd ${WRKSRC}/crypto/includes/ngtcp2/ && ${COPYTREE_SHARE} . ${STAGEDIR}${PREFIX}/include/ngtcp2
 
 .include <bsd.port.mk>