diff --git a/src/Client.js b/src/Client.js
index 39b830b..6a67629 100644
--- a/src/Client.js
+++ b/src/Client.js
@@ -96,8 +96,7 @@ class Client extends EventEmitter {
      * Private function
      */
     async inject() {
-               
-        if(this.options.authTimeoutMs === undefined){
+        if(this.options.authTimeoutMs === undefined || this.options.authTimeoutMs==0){
             this.options.authTimeoutMs = 30000;
         }
         let start = Date.now();
@@ -110,8 +109,7 @@ class Client extends EventEmitter {
         }
         if(!res){ 
             throw 'auth timeout';
-        }
-       
+        }       
         await this.setDeviceName(this.options.deviceName, this.options.browserName);
         const pairWithPhoneNumber = this.options.pairWithPhoneNumber;
         const version = await this.getWWebVersion();