diff --git a/lib/vagrant/util/keypair.rb b/lib/vagrant/util/keypair.rb
index 342d3264f..5e3d10ea6 100644
--- a/lib/vagrant/util/keypair.rb
+++ b/lib/vagrant/util/keypair.rb
@@ -26,7 +26,7 @@ module Vagrant
         private_key = rsa_key.to_pem
 
         if password
-          cipher      = OpenSSL::Cipher::Cipher.new('des3')
+          cipher      = OpenSSL::Cipher.new('des3')
           private_key = rsa_key.to_pem(cipher, password)
         end