diff --git a/config/development.json b/config/development.json
index 0c79b8e3..47e630ca 100644
--- a/config/development.json
+++ b/config/development.json
@@ -10,7 +10,7 @@
   },
   "rooms": {
     "/* maxClients */": "/* maximum number of clients per room. 0 = no limit */",
-    "maxClients": 0
+    "maxClients": 3
   },
   "stunservers": [
     {
diff --git a/sockets.js b/sockets.js
index 0dd461a6..100b2083 100644
--- a/sockets.js
+++ b/sockets.js
@@ -137,7 +137,14 @@ module.exports = function (server, config) {
     }
 
     function clientsInRoom(name) {
-        return io.sockets.clients(name).length;
+        // return io.sockets.clients(name).length;
+        var clientsList = io.sockets.adapter.rooms[name];
+        var ret = 0;
+        if (clientsList) {
+            ret = Object.keys(clientsList).length;
+        }
+        // console.log("clientsInRoom", name, ret);
+        return ret;
     }
 
 };