diff --git a/engine/classes/Requisitions.php b/engine/classes/Requisitions.php
index 0e89539..27f6bad 100644
--- a/engine/classes/Requisitions.php
+++ b/engine/classes/Requisitions.php
@@ -4985,6 +4985,10 @@ class Requisitions{
                     if (isset($post['commission']) && is_numeric($post['commission']) && intval($post['commission']) > 0) {
                         $dealUpdateParts[] = "total_commission = " . intval($post['commission']);
                     }
+                    if (!empty($post['deal_date']) && preg_match('/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}/', $post['deal_date'])) {
+                        $dealDate = htmlspecialchars($post['deal_date']);
+                        $dealUpdateParts[] = "deal_date = '$dealDate'";
+                    }
                     if (!empty($dealUpdateParts)) {
                         $this->db->query("UPDATE deals SET " . implode(', ', $dealUpdateParts) . " WHERE id = $dealId");
                     }