diff --git a/app/models/concerns/domain/registry_lockable.rb b/app/models/concerns/domain/registry_lockable.rb
index 03e884bda..a4ffeb7ef 100644
--- a/app/models/concerns/domain/registry_lockable.rb
+++ b/app/models/concerns/domain/registry_lockable.rb
@@ -6,18 +6,17 @@ module Domain::RegistryLockable
     return if locked_by_registrant?
 
     transaction do
-      if !statuses.include? DomainStatus::SERVER_UPDATE_PROHIBITED
+      unless statuses.include? DomainStatus::SERVER_UPDATE_PROHIBITED
         statuses << DomainStatus::SERVER_UPDATE_PROHIBITED
       end
 
-      if !statuses.include? DomainStatus::SERVER_DELETE_PROHIBITED
+      unless statuses.include? DomainStatus::SERVER_DELETE_PROHIBITED
         statuses << DomainStatus::SERVER_DELETE_PROHIBITED
       end
 
-      if !statuses.include? DomainStatus::SERVER_TRANSFER_PROHIBITED 
+      unless statuses.include? DomainStatus::SERVER_TRANSFER_PROHIBITED
         statuses << DomainStatus::SERVER_TRANSFER_PROHIBITED
       end
-      
       self.locked_by_registrant_at = Time.zone.now
       alert_registrar_lock_changes!(lock: true)