diff --git a/app/models/user.rb b/app/models/user.rb
index 0c8d481c4c..c5c4cf5314 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -67,7 +67,8 @@ class User < ApplicationRecord
   ACTIVE_DURATION = ENV.fetch('USER_ACTIVE_DAYS', 7).to_i.days.freeze
 
   devise :two_factor_authenticatable,
-         otp_secret_encryption_key: Rails.configuration.x.otp_secret
+         otp_secret_encryption_key: Rails.configuration.x.otp_secret,
+         otp_secret_length: 26
 
   devise :two_factor_backupable,
          otp_number_of_backup_codes: 10