diff --git a/net-mgmt/super_mediator/Makefile b/net-mgmt/super_mediator/Makefile
index ab640fe7fde4..ab5767825a64 100644
--- a/net-mgmt/super_mediator/Makefile
+++ b/net-mgmt/super_mediator/Makefile
@@ -18,7 +18,7 @@ LIB_DEPENDS=	libfixbuf.so:net/libfixbuf \
 
 GNU_CONFIGURE=	yes
 INSTALL_TARGET=	install-strip
-USES=		libtool pathfix perl5 pkgconfig ssl
+USES=		compiler:c11 libtool pathfix perl5 pkgconfig ssl
 USE_GNOME=	glib20
 
 PLIST_SUB+=	PORTVERSION="${PORTVERSION}"