diff --git a/src/Storage/DbalNestedSet.php b/src/Storage/DbalNestedSet.php
index ef6d1785..370ff37d 100644
--- a/src/Storage/DbalNestedSet.php
+++ b/src/Storage/DbalNestedSet.php
@@ -137,6 +137,7 @@ public function findDescendants(Node $node, $depth = 0) {
       ->andWhere('parent.revision_id = :revision_id')
       ->andwhere('child.left_pos > parent.left_pos')
       ->andWhere('child.right_pos < parent.right_pos')
+      ->orderBy('child.left_pos', 'ASC')
       ->setParameter(':id', $node->getId())
       ->setParameter(':revision_id', $node->getRevisionId());
     if ($depth > 0) {
diff --git a/tests/Functional/DbalNestedSetTest.php b/tests/Functional/DbalNestedSetTest.php
index 65b794e1..f2f93f09 100644
--- a/tests/Functional/DbalNestedSetTest.php
+++ b/tests/Functional/DbalNestedSetTest.php
@@ -482,14 +482,6 @@ protected function loadTestData() {
         'right_pos' => 7,
         'depth' => 3,
       ]);
-    $this->connection->insert($this->tableName,
-      [
-        'id' => 7,
-        'revision_id' => 1,
-        'left_pos' => 11,
-        'right_pos' => 16,
-        'depth' => 2,
-      ]);
     $this->connection->insert($this->tableName,
       [
         'id' => 8,
@@ -506,6 +498,14 @@ protected function loadTestData() {
         'right_pos' => 20,
         'depth' => 2,
       ]);
+    $this->connection->insert($this->tableName,
+      [
+        'id' => 7,
+        'revision_id' => 1,
+        'left_pos' => 11,
+        'right_pos' => 16,
+        'depth' => 2,
+      ]);
     $this->connection->insert($this->tableName,
       [
         'id' => 10,