diff --git a/plugins/guests/linux/cap/mount_virtualbox_shared_folder.rb b/plugins/guests/linux/cap/mount_virtualbox_shared_folder.rb
index 53f098e07..83c197d92 100644
--- a/plugins/guests/linux/cap/mount_virtualbox_shared_folder.rb
+++ b/plugins/guests/linux/cap/mount_virtualbox_shared_folder.rb
@@ -65,7 +65,7 @@ module VagrantPlugins
                 output: stderr
             end
 
-            sleep 2
+            sleep(2*attempts)
           end
 
           # Chown the directory to the proper user. We skip this if the