diff --git a/src/ProcessManagerBundle/Model/Process/Dao.php b/src/ProcessManagerBundle/Model/Process/Dao.php
index 3580b03..8cc2cfb 100644
--- a/src/ProcessManagerBundle/Model/Process/Dao.php
+++ b/src/ProcessManagerBundle/Model/Process/Dao.php
@@ -36,7 +36,7 @@ public function getById($id = null)
 
         $data = $this->db->fetchAssociative('SELECT * FROM '.$this->tableName.' WHERE id = ?', [$this->model->getId()]);
 
-        if (!$data["id"]) {
+        if ($data === false) {
             throw new \Exception("Process with the ID " . $this->model->getId() . " doesn't exists");
         }