diff --git a/cad/xnec2c/Makefile b/cad/xnec2c/Makefile
index ac770fafa04..bd651307f4e 100644
--- a/cad/xnec2c/Makefile
+++ b/cad/xnec2c/Makefile
@@ -14,6 +14,10 @@ MAINTAINER =	Enzo Nicosia <me@katolaz.net>
 # GPLv2+
 PERMIT_PACKAGE =	Yes
 
+# C11
+COMPILER =		base-clang ports-gcc
+COMPILER_LANGS =	c
+
 WANTLIB += c cairo gdk-3 gdk_pixbuf-2.0 gio-2.0 glib-2.0 gmodule-2.0
 WANTLIB += gobject-2.0 gtk-3 intl m pango-1.0 pangocairo-1.0 pthread