diff --git a/api/BusinessLogic/ValidationModel.php b/api/BusinessLogic/ValidationModel.php
index 130e1f9d..740af78e 100644
--- a/api/BusinessLogic/ValidationModel.php
+++ b/api/BusinessLogic/ValidationModel.php
@@ -8,10 +8,13 @@ class ValidationModel {
      */
     public $errorKeys;
 
+    /**
+     * @var bool
+     */
     public $valid;
 
     function __construct() {
-        $errorKeys = [];
-        $valid = true;
+        $this->errorKeys = [];
+        $this->valid = true;
     }
 }
\ No newline at end of file