diff --git a/CHANGELOG.md b/CHANGELOG.md
index f85c3d08..553e1b4f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
  - Fix missing attachment from notification
  - Fix `limit` clause
  - Improve SLA selector in reports
+ - Fix date filter for reportVstackbarTicketstech report
 
 ## [1.8.10] - 2025-12-05
 
diff --git a/inc/helpdeskplus.class.php b/inc/helpdeskplus.class.php
index 6d01e67c..c3ee0afe 100644
--- a/inc/helpdeskplus.class.php
+++ b/inc/helpdeskplus.class.php
@@ -594,6 +594,9 @@ public function reportVstackbarTicketstech($config = [])
             $_SESSION['mreporting_values']['date2' . $config['randname']] = date('Y-m-d');
         }
 
+        //Init delay value
+        $delay = PluginMreportingCommon::getCriteriaDate('glpi_tickets.date', $config['delay'], $config['randname']);
+
         foreach ($this->status as $current_status) {
             if ($_SESSION['mreporting_values']['status_' . $current_status] == '1') {
                 $status_name = Ticket::getStatus($current_status);
@@ -626,6 +629,7 @@ public function reportVstackbarTicketstech($config = [])
                     'GROUPBY' => ['name'],
                     'ORDER' => ['name'],
                 ];
+                $query['WHERE']['AND'] = $delay;
 
                 $result = $DB->request($query);
                 foreach ($result as $data) {