diff --git a/lxc.js b/lxc.js
index 067fcb3..b7022c6 100644
--- a/lxc.js
+++ b/lxc.js
@@ -40,7 +40,7 @@ var lxc = {
 		return sysExec('lxc-start --name '+name+' --daemon', callback);
 	},
 
-	startEphemeral: function(name, base_name, callback){
+	startEphemeral: function(name, base_name, ip, callback){
 		var command = 'lxc-start-ephemeral -o '+base_name+ ' -n '+name +' --union-type overlayfs -d';
 		return sysExec(command, function(data){
 			console.log('startEphemeral', arguments);
diff --git a/routes/api.js b/routes/api.js
index 64442ad..4e92e3f 100644
--- a/routes/api.js
+++ b/routes/api.js
@@ -66,7 +66,7 @@ var startWorkers = function(clworker, stopPercent){
 	getFreeMem(function(usedMemPercent, clworker){
 		if(usedMemPercent < 81 ){
 			var name = 'crunner-'+(Math.random()*100).toString().replace('.','');
-			return lxc.startEphemeral(name, 'crunner0', clworker, function(data){
+			return lxc.startEphemeral(name, 'crunner0', clworker.ip, function(data){
 				availContainers.push({
 					ip: data.ip,
 					name: name,