diff --git a/treegrid.js b/treegrid.js
index 9ef19ad..684c539 100644
--- a/treegrid.js
+++ b/treegrid.js
@@ -1,7 +1,7 @@
 /**
  * Very simple and fast tree grid/table, compatible with dynamic loading and jQuery fixedHeaderTable
  * License: MPL 2.0+, (c) Vitaliy Filippov 2016+
- * Version: 2016-03-10
+ * Version: 2016-03-25
  */
 
 /**
@@ -401,7 +401,14 @@ TreeGridNode.prototype.setChildren = function(isLeaf, newChildren)
             this.tr.cells[0].firstChild.className = this.collapsed ? 'collapser collapser-collapsed' : 'collapser collapser-expanded';
     }
     this.children = [];
+    this.addChildren(newChildren);
+}
+
+TreeGridNode.prototype.addChildren = function(newChildren)
+{
     var insertBefore = this.tr && this.tr.nextSibling;
+    while (insertBefore && insertBefore.nextSibling && insertBefore._node.level > this.level)
+        insertBefore = insertBefore.nextSibling;
     for (var i = 0; i < newChildren.length; i++)
         this.children.push(new TreeGridNode(newChildren[i], this.grid, this.level+1, insertBefore, this.collapsed));
 }