diff --git a/gnome/gtksourceview3/Portfile b/gnome/gtksourceview3/Portfile
index 34c198c72e5..e2f418dbdb8 100644
--- a/gnome/gtksourceview3/Portfile
+++ b/gnome/gtksourceview3/Portfile
@@ -42,6 +42,8 @@ depends_lib         path:lib/pkgconfig/glib-2.0.pc:glib2 \
                     path:lib/pkgconfig/gtk+-3.0.pc:gtk3 \
                     port:libxml2
 
+license_noconflict  vala
+
 gobject_introspection yes
 
 # requires compiler that supports C11 (redefinition of typedef ‘GtkSourceTag’ at gtksourceview/gtksourcetag.h:35)