diff --git a/SortableGridBehavior.php b/SortableGridBehavior.php
index ae5e511..c3c90bc 100644
--- a/SortableGridBehavior.php
+++ b/SortableGridBehavior.php
@@ -90,7 +90,7 @@ public function beforeInsert()
         }
 
         /* Override model alias if defined in the model's class */
-        $query->from([$model::tableName() => $model::tableName()]);
+        $query->from([$model::tableName()]);
 
         $maxOrder = $query->max('{{' . trim($model::tableName(), '{}') . '}}.[[' . $this->sortableAttribute . ']]');
         $model->{$this->sortableAttribute} = $maxOrder + 1;