diff --git a/frontend/models/KeyToggleForm.php b/frontend/models/KeyToggleForm.php
index d3af4a3..67da92f 100644
--- a/frontend/models/KeyToggleForm.php
+++ b/frontend/models/KeyToggleForm.php
@@ -7,6 +7,7 @@ use yii\base\Model;
 use common\models\CardKeyAssignment;
 use common\models\Key;
 use yii\helpers\ArrayHelper;
+use common\components\Helper;
 
 /**
  * ContactForm is the model behind the contact form.
@@ -43,6 +44,8 @@ class KeyToggleForm extends Model
     public function toggleKey(){
     	$query= Key::find();
     	
+    	$this->key = Helper::fixAsciiChars($this->key);
+    	
     	$query->andWhere(['or',
     			['and',[ 'in','key.number' , [$this->key]],"trim(coalesce(key.number, '')) <>'' " ],
     			['and', ['in','key.rfid_key' ,[ $this->key ] ],"trim(coalesce(key.rfid_key, '')) <>'' "],