diff --git a/lib/main.js b/lib/main.js
index 396aed1..21fabe9 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -4,12 +4,14 @@ function (moment, Router, L, GUI, numeral) {
     function handleData(data) {
       var dataNodes = {}
       dataNodes.nodes = []
+      dataNodes.nodeIds = []
       var dataGraph = {}
       dataGraph.batadv = {}
       dataGraph.batadv.nodes = []
       dataGraph.batadv.links = []
 
 
+
       function rearrangeLinks(d) {
         d.source += dataGraph.batadv.nodes.length
         d.target += dataGraph.batadv.nodes.length
@@ -32,11 +34,22 @@ function (moment, Router, L, GUI, numeral) {
             vererr = "Unsupported nodes version: " + data[i].version
             console.log(vererr) //silent fail
           } else {
-            dataNodes.nodes = dataNodes.nodes.concat(data[i].nodes)
+            data[i].nodes.forEach(fillData)
             dataNodes.timestamp = data[i].timestamp
           }
       }
 
+      function fillData (node) {
+        var position = dataNodes.nodeIds.indexOf(node.nodeinfo.node_id)
+        if(position === -1){
+          dataNodes.nodes.push(node)
+          dataNodes.nodeIds.push(node.nodeinfo.node_id)
+        }
+        else
+          if(node.flags.online === true)
+            dataNodes.nodes[position] = node
+      }
+
       var nodes = dataNodes.nodes.filter( function (d) {
         return "firstseen" in d && "lastseen" in d
       })