diff --git a/protected/humhub/modules/search/behaviors/Searchable.php b/protected/humhub/modules/search/behaviors/Searchable.php
index a68bd79ab9..8509fdc064 100644
--- a/protected/humhub/modules/search/behaviors/Searchable.php
+++ b/protected/humhub/modules/search/behaviors/Searchable.php
@@ -12,6 +12,7 @@ use Yii;
 use yii\db\ActiveRecord;
 use yii\base\Behavior;
 use yii\console\Exception;
+use humhub\modules\search\interfaces\Searchable;
 
 /**
  * Searchable Behavior
@@ -35,19 +36,19 @@ class Searchable extends Behavior
     public function afterSave($event)
     {
 
-        if ($this->owner instanceof \humhub\modules\search\interfaces\Searchable) {
+        if ($this->owner instanceof Searchable) {
             Yii::$app->search->update($this->owner);
         } else {
-            throw new Exception("Owner of HSearchableBehavior must be implement interface ISearchable");
+            throw new Exception('Owner of HSearchableBehavior must be implement interface ISearchable');
         }
     }
 
     public function afterDelete($event)
     {
-        if ($this->owner instanceof \humhub\modules\search\interfaces\Searchable) {
+        if ($this->owner instanceof Searchable) {
             Yii::$app->search->delete($this->owner);
         } else {
-            throw new Exception("Owner of HSearchableBehavior must be implement interface ISearchable");
+            throw new Exception('Owner of HSearchableBehavior must be implement interface ISearchable');
         }
     }