diff --git a/plugins/guests/smartos/plugin.rb b/plugins/guests/smartos/plugin.rb
index 6f5365af2..dcdd6f7b8 100644
--- a/plugins/guests/smartos/plugin.rb
+++ b/plugins/guests/smartos/plugin.rb
@@ -11,7 +11,7 @@ module VagrantPlugins
         Config
       end
 
-      guest(:smartos)  do
+      guest(:smartos, :solaris)  do
         require_relative "guest"
         Guest
       end