diff --git a/databases/mongodb44/Makefile b/databases/mongodb44/Makefile
index 9402778d101b..45f66cc09b3c 100644
--- a/databases/mongodb44/Makefile
+++ b/databases/mongodb44/Makefile
@@ -28,6 +28,7 @@ LIB_DEPENDS=	libpcre.so:devel/pcre \
 		libsnappy.so:archivers/snappy
 
 USES=		compiler:c++17-lang cpe python:build scons
+USE_CXXSTD=	c++14
 USE_RC_SUBR=	mongod
 
 MAKE_ARGS=	--use-system-zlib \