diff --git a/devel/libarea/Makefile b/devel/libarea/Makefile
index c60fc6c901d6..47ea28798343 100644
--- a/devel/libarea/Makefile
+++ b/devel/libarea/Makefile
@@ -1,27 +1,29 @@
 PORTNAME=	libarea
 PORTVERSION=	20191031
 PORTREVISION=	1
 CATEGORIES=	devel cad
 
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	CAM-related software for profile and pocketing operations
 WWW=		https://github.com/heeks/libarea
 
 LICENSE=	BSD3CLAUSE
 
 LIB_DEPENDS=	${PY_BOOST}
 
 USES=		cmake python
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	Heeks
 GH_TAGNAME=	2752cd9
 
 USE_LDCONFIG=	yes
 
+CXXFLAGS+=	"-DBOOST_TIMER_ENABLE_DEPRECATED=yes"
+
 post-patch:
 	@${REINPLACE_CMD} 's,COMMAND python ,COMMAND ${PYTHON_CMD} , ; \
 		s,COMMAND python-config ,COMMAND ${PYTHON_CMD}-config ,' \
 		${WRKSRC}/CMakeLists.txt
 
 .include <bsd.port.mk>