diff --git a/application/config/aauth.php b/application/config/aauth.php
index e904b3e..7466c28 100644
--- a/application/config/aauth.php
+++ b/application/config/aauth.php
@@ -112,7 +112,7 @@ $config_aauth["default"] = array(
 
 	'max_login_attempt'              => 10,
 	'max_login_attempt_per_minutes'  => 5,
-	'update_last_login_attempt'      => false,
+	'update_last_login_attempt'      => true,
 
 	'login_with_name'                => false,
 
diff --git a/application/libraries/Aauth.php b/application/libraries/Aauth.php
index c2ac458..e749ab6 100644
--- a/application/libraries/Aauth.php
+++ b/application/libraries/Aauth.php
@@ -639,7 +639,8 @@ class Aauth {
 
 		$data = array();
 
-		if (strtotime($row->last_login_attempt) > strtotime("-"+$this->config_vars['max_login_attempt_per_minutes']+" minutes")) {
+		$minutes = $this->config_vars['max_login_attempt_per_minutes'];
+		if (strtotime($row->last_login_attempt) > strtotime("-$minutes minutes")) {
 			$data['login_attempts'] = $row->login_attempts + 1;
 
 			if($this->config_vars['update_last_login_attempt']){