diff --git a/lib/history.js b/lib/history.js
index a60123e..6afaf11 100644
--- a/lib/history.js
+++ b/lib/history.js
@@ -228,7 +228,7 @@ History.prototype._save = function(block)
 {
 	this._items.unshift(block);
 
-	this._items = _.sortBy( this._items, 'height', false );
+	this._items = _.orderBy( this._items, 'height', "desc" );
 
 	if(this._items.length > MAX_HISTORY)
 	{
@@ -591,7 +591,7 @@ History.prototype.getCharts = function()
 	if(this._callback !== null)
 	{
 		var chartHistory = _( this._items )
-			.sortBy( 'height', false )
+			.orderBy( 'height', "desc" )
 			// .filter(function (item)
 			// {
 			// 	return item.block.trusted;