diff --git a/class/accident_investigation.class.php b/class/accident_investigation.class.php
index e4e8214b2..be69d653e 100644
--- a/class/accident_investigation.class.php
+++ b/class/accident_investigation.class.php
@@ -190,6 +190,11 @@ class AccidentInvestigation extends SaturneObject
 	 */
 	public $date_start;
 
+	/**
+	 * @var int|string Date investigation end.
+	 */
+	public $date_end;
+
 	/**
 	 * @var string|null Victim skills.
 	 */