diff --git a/net/gupnp/Portfile b/net/gupnp/Portfile
index e750a3ed9ce..17aed917306 100644
--- a/net/gupnp/Portfile
+++ b/net/gupnp/Portfile
@@ -35,6 +35,8 @@ depends_lib-append  path:lib/pkgconfig/glib-2.0.pc:glib2 \
                     path:lib/pkgconfig/libsoup-3.0.pc:libsoup \
                     port:libxml2
 
+license_noconflict  vala
+
 gobject_introspection   yes
 
 # blacklist compilers that do not support C11