diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4c212ba..2af4cf4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [UNRELEASE]
 
+### Fixed
+
+- Fix `Undefined array key "glpiname"` during database inventory task.
+
 ## [1.0.3] - 2025-07-10
 
 ### Fixed
diff --git a/inc/computergroupdynamic.class.php b/inc/computergroupdynamic.class.php
index 39c7e89..545a6a1 100644
--- a/inc/computergroupdynamic.class.php
+++ b/inc/computergroupdynamic.class.php
@@ -178,6 +178,10 @@ public function isDynamicSearchMatchComputer(Computer $computer)
             'value'      => $computer->fields['id'],
         ];
 
+        if (!isset($_SESSION['glpiname'])) {
+            Session::start();
+            $_SESSION['glpiname'] = 'databaseinventory_plugin';
+        }
         $search_params = Search::manageParams('Computer', $search);
         $data          = Search::prepareDatasForSearch('Computer', $search_params);
         Search::constructSQL($data);