diff --git a/lib/master.js b/lib/master.js
index 55115c6..a249714 100644
--- a/lib/master.js
+++ b/lib/master.js
@@ -485,18 +485,11 @@ function Master(options, adapter) {
 
         if (options.config.type === 'tcp') {
             
-            options.config.tcp.bind = "127.0.0.1" ;
-            const tcp = options.config.tcp;
-
-            if (!tcp || !tcp.bind || tcp.bind === '0.0.0.0') {
-                adapter.log.error('IP address is not defined');
-                return;
-            }
             try {
                 modbusClient = Modbus('client', 'tcp')({
                     options: {
                         tcp: {
-                            host:          tcp.bind,
+                            host:          tcp.bind || "127.0.0.1",
                             port:          parseInt(tcp.port, 10) || 502,
                             autoReconnect: false,
                         },