diff --git a/models/node.js b/models/node.js
index 8f1e202..e56abfd 100644
--- a/models/node.js
+++ b/models/node.js
@@ -87,7 +87,7 @@ Node.prototype.getInfo = function()
 
 Node.prototype.setStats = function(stats)
 {
-	if(typeof stats !== undefined && typeof stats.block !== undefined && typeof stats.block.number !== undefined)
+	if(typeof stats !== 'undefined' && typeof stats.block !== 'undefined' && typeof stats.block.number !== 'undefined')
 	{
 		if(stats.block.number !== this.stats.number) {
 			stats.block.received == (new Date()).getTime() - stats.block.arrival;