diff --git a/client.js b/client.js
index f5c13ac0..42f9a041 100644
--- a/client.js
+++ b/client.js
@@ -179,7 +179,8 @@ function getID() {
 		rconPort: instanceconfig.clientPort,
 		rconPassword: instanceconfig.clientPassword,
 		serverPort: instanceconfig.factorioPort,
-		unique: instanceconfig.clientPassword.hashCode()
+		unique: instanceconfig.clientPassword.hashCode(),
+		publicIP: config.publicIP, // IP of the server should be global for all instances, so we pull that straight from the config
 	}
 	require('getmac').getMac(function (err, mac) {
 		if (err) throw err
diff --git a/config.json b/config.json
index 49d838a3..f5c44cd5 100644
--- a/config.json
+++ b/config.json
@@ -2,6 +2,9 @@
 	"__comment": "Where factorio folder. Should be in the same folder as this config file.",
 	"factorioDirectory": "factorio",
 	
+	"__comment": "IP players should connect to to join your servers, should be portforwarded and stuff",
+	"publicIP": "192.168.10.1",
+	
 	"__comment": "IP the master web server runs at, can be ignored on the master system",
 	"masterIP": "localhost",
 	"masterPort": 8080,
diff --git a/master.js b/master.js
index 5131370f..c5b31dcb 100644
--- a/master.js
+++ b/master.js
@@ -52,10 +52,11 @@ app.post("/getID", function(req,res) {
 	// time us a unix timestamp we can use to check for how long the server has been unresponsive
 	// we should save that somewhere and give appropriate response
 	if(req.body){
-		slaves[req.body.unique] = req.body
-		console.log("Slave: " + req.body.mac + " : " + req.body.serverPort)
+		slaves[req.body.unique] = req.body;
+		console.log("Slave: " + req.body.mac + " : " + req.body.serverPort+" at " + req.body.publicIP);
 	}
 });
+
 // endpoint for getting information about all our slaves
 app.get("/slaves", function(req, res) {
 	res.header("Access-Control-Allow-Origin", "*");