diff --git a/net-mgmt/mac-telnet/Makefile b/net-mgmt/mac-telnet/Makefile
index cba59af88658..b92beb387b5b 100644
--- a/net-mgmt/mac-telnet/Makefile
+++ b/net-mgmt/mac-telnet/Makefile
@@ -1,22 +1,23 @@
 PORTNAME=	mac-telnet
 PORTVERSION=	0.4.5.a1
 PORTREVISION=	1
 CATEGORIES=	net-mgmt net
 
 MAINTAINER=	marcus@FreeBSD.org
 COMMENT=	MAC telnet client for connecting to MikroTik RouterOS devices
 WWW=		https://github.com/haakonnessjoen/MAC-Telnet
 
 LICENSE=	GPLv2
 
 USES=		autoreconf libtool pkgconfig gettext ssl
 USE_GITHUB=	yes
 
 GH_ACCOUNT=	haakonnessjoen
 GH_PROJECT=	MAC-Telnet
 GH_TAGNAME=	42d6271
 
 GNU_CONFIGURE=	yes
 LDFLAGS+=	-L${LOCALBASE}/lib
+CONFIGURE_ENV+=	CRYPTO_CFLAGS="-I${OPENSSLINC}" CRYPTO_LIBS="-L${OPENSSLLIB} -lssl -lcrypto"
 
 .include <bsd.port.mk>