diff --git a/plugins/providers/virtualbox/driver/version_4_3.rb b/plugins/providers/virtualbox/driver/version_4_3.rb
index 55195da39..25a046d85 100644
--- a/plugins/providers/virtualbox/driver/version_4_3.rb
+++ b/plugins/providers/virtualbox/driver/version_4_3.rb
@@ -115,7 +115,7 @@ module VagrantPlugins
 
             if adapter[:intnet]
               args.concat(["--intnet#{adapter[:adapter]}",
-                          adapter[:intnet]])
+                          adapter[:intnet], "--cableconnected#{adapter[:adapter]}", "on"])
             end
 
             if adapter[:mac_address]