diff --git a/mail/mailio/Makefile b/mail/mailio/Makefile
index 27d093443c00..d98f6db5649c 100644
--- a/mail/mailio/Makefile
+++ b/mail/mailio/Makefile
@@ -1,24 +1,29 @@
 PORTNAME=	mailio
 DISTVERSION=	0.23.0-59
 DISTVERSIONSUFFIX=	-g5dab3ca
 CATEGORIES=	mail devel
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	C++ library for MIME format and SMTP, POP3 and IMAP protocols
 WWW=		https://github.com/karastojko/mailio
 
 LICENSE=	BSD2CLAUSE
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libboost_system.so:devel/boost-libs
 
 USES=		cmake:testing compiler:c++17-lang ssl
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	karastojko
 
 CMAKE_OFF=	MAILIO_BUILD_TESTS MAILIO_BUILD_EXAMPLES MAILIO_BUILD_DOCUMENTATION
-CMAKE_TESTING_ON=	MAILIO_BUILD_TESTS # tests fail to link, see https://github.com/karastojko/mailio/issues/159
+CMAKE_ON=	MAILIO_DYN_LINK_TESTS # workaround for https://github.com/karastojko/mailio/issues/159
+CMAKE_TESTING_ON=	MAILIO_BUILD_TESTS # tests fail, see https://github.com/karastojko/mailio/issues/160
+CMAKE_TESTING_TARGET=	all
+
+post-test:
+	@cd ${WRKSRC}/test && ${BUILD_WRKSRC}/test/test_message
 
 .include <bsd.port.mk>