diff --git a/src/components/treetable/TreeTable.vue b/src/components/treetable/TreeTable.vue
index 6d34a84d2..473a6f851 100644
--- a/src/components/treetable/TreeTable.vue
+++ b/src/components/treetable/TreeTable.vue
@@ -505,6 +505,12 @@ export default {
                 return (this.d_sortOrder * result);
             });
 
+            for (let i = 0; i < _nodes.length; i++) {
+                if (_nodes[i].children && _nodes[i].children.length) {
+                    _nodes[i].children = this.sortNodesSingle(_nodes[i].children);
+                }
+            }
+
             return _nodes;
         },
         sortMultiple(nodes) {
@@ -516,6 +522,12 @@ export default {
                 return this.multisortField(node1, node2, 0);
             });
 
+            for (let i = 0; i < _nodes.length; i++) {
+                if (_nodes[i].children && _nodes[i].children.length) {
+                    _nodes[i].children = this.sortNodesMultiple(_nodes[i].children);
+                }
+            }
+
             return _nodes;
         },
         multisortField(node1, node2, index) {