diff --git a/inc/uninstall.class.php b/inc/uninstall.class.php
index cac884c..3b48e7a 100644
--- a/inc/uninstall.class.php
+++ b/inc/uninstall.class.php
@@ -29,6 +29,7 @@
  */
 
 use Glpi\Asset\Asset_PeripheralAsset;
+use Glpi\Features\AssignableItemInterface;
 
 use function Safe\preg_grep;
 
@@ -213,7 +214,10 @@ private static function doOneUninstall(PluginUninstallModel $model, Transfer $tr
             }
         }
 
-        if ($item->isField('groups_id')) {
+        if (
+            $item->isField('groups_id')
+            || ($item instanceof AssignableItemInterface)
+        ) {
             $nbgroup = countElementsInTableForEntity(
                 "glpi_groups",
                 $entity,