diff --git a/activesupport/lib/active_support/message_encryptor.rb b/activesupport/lib/active_support/message_encryptor.rb
index 2dde01c8442008b6d40c03dc901f1e13b0b11342..721efea7892715d5fd5a42041e107bb382b356a6 100644
--- a/activesupport/lib/active_support/message_encryptor.rb
+++ b/activesupport/lib/active_support/message_encryptor.rb
@@ -97,7 +97,7 @@ def _decrypt(encrypted_message)
     end
 
     def new_cipher
-      OpenSSL::Cipher::Cipher.new(@cipher)
+      OpenSSL::Cipher.new(@cipher)
     end
 
     def verifier