diff --git a/databases/nanodbc/Makefile b/databases/nanodbc/Makefile
index dc3b7180d957..27a4d5bdb189 100644
--- a/databases/nanodbc/Makefile
+++ b/databases/nanodbc/Makefile
@@ -1,25 +1,31 @@
 PORTNAME=	nanodbc
 DISTVERSIONPREFIX=	v
 DISTVERSION=	2.14.0
 CATEGORIES=	databases devel
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Small C++ wrapper for the native C ODBC API
 WWW=		https://nanodbc.github.io/nanodbc/
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libodbc.so:databases/unixODBC
 
 USES=		cmake:testing compiler:c++14-lang localbase:ldflags # pkgconfig python:build
 USE_LDCONFIG=	yes
 USE_CXXSTD=	c++14 # fix build broken by deprecated feature std::char_traits, see https://github.com/nanodbc/nanodbc/issues/387
 
 USE_GITHUB=	yes
 
 CMAKE_ON=	BUILD_SHARED_LIBS \
 		NANODBC_DISABLE_TESTS NANODBC_DISABLE_EXAMPLES
 CMAKE_TESTING_ARGS=	-DNANODBC_DISABLE_TESTS=OFF # many tests fail: Data source name not found and no default
 
+.include <bsd.port.options.mk>
+
+.if ${OPSYS} == FreeBSD && ( ${OSVERSION} >= 1400091 || ( ${OSVERSION} >= 1302507 && ${OSVERSION} < 1400000 ))
+CFLAGS+=	-Wno-error=deprecated-declarations -Wno-error=unused-command-line-argument
+.endif
+
 .include <bsd.port.mk>