diff --git a/plugins/providers/virtualbox/driver/version_4_3.rb b/plugins/providers/virtualbox/driver/version_4_3.rb
index 8e8001351..288312327 100644
--- a/plugins/providers/virtualbox/driver/version_4_3.rb
+++ b/plugins/providers/virtualbox/driver/version_4_3.rb
@@ -105,7 +105,7 @@ module VagrantPlugins
 
             if adapter[:bridge]
               args.concat(["--bridgeadapter#{adapter[:adapter]}",
-                          adapter[:bridge]])
+                          adapter[:bridge], "--cableconnected#{adapter[:adapter]}", "on"])
             end
 
             if adapter[:hostonly]