--- b/uTox_n_b/Makefile	
+++ b/uTox_n_b/Makefile	
@@ -14,6 +14,7 @@ BUILD_DEPENDS=	${LOCALBASE}/lib/libtoxcore.a:${PORTSDIR}/net-im/tox \
 		${LOCALBASE}/include/linux/videodev2.h:${PORTSDIR}/multimedia/v4l_compat
 LIB_DEPENDS=	libfreetype.so:${PORTSDIR}/print/freetype2 \
 		libfontconfig.so:${PORTSDIR}/x11-fonts/fontconfig \
+		libsodium.so:${PORTSDIR}/security/libsodium \
 		libv4lconvert.so:${PORTSDIR}/multimedia/libv4l \
 		libvpx.so:${PORTSDIR}/multimedia/libvpx \
 		libfilteraudio.so:${PORTSDIR}/audio/libfilteraudio
@@ -33,6 +34,12 @@ OPTIONS_DEFAULT=	DBUS
 DBUS_LIB_DEPENDS=	libdbus-1.so:${PORTSDIR}/devel/dbus
 DBUS_MAKE_ARGS_OFF=	DBUS=0
 
+.include <bsd.port.pre.mk>
+
+.if !exists(${LOCALBASE}/lib/libtoxav.so)
+BROKEN=   Port net-im/tox must be build with option SODIUM
+.endif
+
 pre-configure:
 	@${REINPLACE_CMD} -e 's|$$(GIT_V)|${DISTVERSION}-${GH_TAGNAME}|' \
 		-e 's|share/man|man|' ${WRKSRC}/${MAKEFILE}