diff --git a/src/Storage/DbalNestedSetSchema.php b/src/Storage/DbalNestedSetSchema.php
index d8e57b66..a30f07e5 100644
--- a/src/Storage/DbalNestedSetSchema.php
+++ b/src/Storage/DbalNestedSetSchema.php
@@ -23,6 +23,7 @@ public function create() {
     $tree->addColumn("depth", "integer", ["unsigned" => TRUE]);
 
     $tree->setPrimaryKey(['id', 'revision_id']);
+    $tree->addIndex(['revision_id']);
     $tree->addIndex(['id', 'revision_id', 'left_pos', 'right_pos', 'depth']);
     $tree->addIndex(['left_pos', 'right_pos']);
     $tree->addIndex(['right_pos']);