diff --git a/src/app/Observers/UserObserver.php b/src/app/Observers/UserObserver.php
index 5842e22..4481e3d 100644
--- a/src/app/Observers/UserObserver.php
+++ b/src/app/Observers/UserObserver.php
@@ -13,7 +13,9 @@ class UserObserver
     public function updating($user): void
     {
         PasswordHistoryManager::logPassword($user);
-        $this->updateExpireColumn($user);
+        $passwordCol = config('ae3auth-config.user.password_column');
+        if ($user->isDirty($passwordCol))
+            $this->updateExpireColumn($user);
     }
 
     /**