diff --git a/print/xmbibtex/Makefile b/print/xmbibtex/Makefile
index d6e71baafa5a..eeae1122df30 100644
--- a/print/xmbibtex/Makefile
+++ b/print/xmbibtex/Makefile
@@ -7,11 +7,12 @@ MASTER_SITES=	SUNSITE/apps/tex
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Reference manager based on the BibTeX file format
 
-WRKSRC_SUBDIR=	src
-
 USES=		imake:noman motif xorg
+USE_CXXSTD=	c++14
 USE_XORG=	ice sm x11 xext xmu xt xpm
 
+WRKSRC_SUBDIR=	src
+
 PLIST_FILES=	bin/xmbibtex lib/X11/app-defaults/XmBibTeX
 
 .include <bsd.port.mk>