diff --git a/app/services/encryption/encryptors/deprecated_session_encryptor.rb b/app/services/encryption/encryptors/deprecated_session_encryptor.rb
index fac387466f2..893de29cbc5 100644
--- a/app/services/encryption/encryptors/deprecated_session_encryptor.rb
+++ b/app/services/encryption/encryptors/deprecated_session_encryptor.rb
@@ -18,7 +18,7 @@ def self.load_or_init_user_access_key
 
         key = Figaro.env.session_encryption_key
         user_access_key = UserAccessKey.new(
-          password: key, salt: OpenSSL::Digest::SHA256.hexdigest(key)
+          password: key, salt: OpenSSL::Digest::SHA256.hexdigest(key), cost: '4000$8$4$'
         )
         @user_access_key_scrypt_hash = user_access_key.as_scrypt_hash
         user_access_key