diff --git a/traits/FindModelTrait.php b/traits/FindModelTrait.php
index a8f48c2..d835278 100644
--- a/traits/FindModelTrait.php
+++ b/traits/FindModelTrait.php
@@ -12,25 +12,22 @@
  */
 trait FindModelTrait
 {
-    /**
-     * @var string message for the NotFoundHttpException
-     */
-    protected $notFoundMessage = 'The requested page does not exist.';
-
     /**
      * Finds model
      *
      * @param $modelClass ActiveRecord
      * @param mixed $condition primary key value or a set of column values
+     * @param string $notFoundMessage
      * @return ActiveRecord
+     *
      * @throws NotFoundHttpException
      */
-    protected function findModel($modelClass, $condition)
+    protected function findModel($modelClass, $condition, $notFoundMessage = 'The requested page does not exist.')
     {
         if (($model = $modelClass::findOne($condition)) !== null) {
             return $model;
         } else {
-            throw new NotFoundHttpException($this->notFoundMessage);
+            throw new NotFoundHttpException($notFoundMessage);
         }
     }
-}
\ No newline at end of file
+}