diff --git a/zte_exporter.py b/zte_exporter.py
index eead9f6..4414c16 100644
--- a/zte_exporter.py
+++ b/zte_exporter.py
@@ -14,7 +14,7 @@ import argparse
 
 parser = argparse.ArgumentParser("ZTE simple exporter")
 parser.add_argument("ip", help="Router ip address")
-parser.add_argument("username", help="Router username", default="admin")
+parser.add_argument("--username", help="Router username", default="admin")
 parser.add_argument("password", help="Router password")
 parser.add_argument("--port", help="Serve metrics on what port", type=int, default=8999)
 parser.add_argument("--reset", help="Reset tr069 info", default=False, type=bool)
@@ -27,8 +27,7 @@ s = requests.Session()
 
 class zteRouter:
 
-    def __init__(self, ip, username, password, login, device):
-        self.login = login
+    def __init__(self, ip, username, password, device):
         self.ip = ip
         self.protocol = "http"  # default to http
         self.username = username
@@ -129,7 +128,7 @@ class zteRouter:
     
     def resettr69(self):
         ip = self.ip
-        cookie = self.getCookie(username=self.username, password=self.password, LD=self.get_LD(), login=self.device)
+        cookie = self.getCookie(username=self.username, password=self.password, LD=self.get_LD(), device=self.device)
         cmd_url = f"{self.protocol}://{self.ip}/goform/goform_get_cmd_process?multi_data=1&isTest=false&cmd=cr_version%2Ctr069_ServerURL%2Ctr069_CPEPortNo%2Ctr069_ServerUsername%2Ctr069_ServerPassword%2Ctr069_ConnectionRequestUname%2Ctr069_ConnectionRequestPassword%2Cwan_ipaddr%2Ctr069_PeriodicInformEnable%2Ctr069_PeriodicInformInterval%2Ctr069_CertEnable%2Ctr069_DataModule%2Ctr069_Webui_DataModuleSupport"
 
         headers = {
@@ -144,7 +143,7 @@ class zteRouter:
         print("\n---")
 
         ip = self.ip
-        cookie = self.getCookie(username=self.username, password=self.password, LD=self.get_LD(), login=self.device)
+        cookie = self.getCookie(username=self.username, password=self.password, LD=self.get_LD(), device=self.device)
 
         headers = {
             "Host": ip,
@@ -178,7 +177,7 @@ class zteRouter:
 
     def zteinfo(self):
         ip = self.ip
-        cookie = self.getCookie(username=self.username, password=self.password, LD=self.get_LD(), login=self.device)
+        cookie = self.getCookie(username=self.username, password=self.password, LD=self.get_LD(), device=self.device)
         cmd_url = f"{self.protocol}://{self.ip}/goform/goform_get_cmd_process?multi_data=1&isTest=false&cmd=wa_inner_version%2Cwan_ipaddr%2Cwan_apn%2Cnetwork_type%2Cnr5g_action_band%2CZ5g_rsrq%2CZ5g_rsrp%2CZ5g_rssi%2CZ5g_SINR%2Cnr_multi_ca_scell_info%2Clte_multi_ca_scell_info%2Clte_multi_ca_scell_sig_info%2Clte_ca_pcell_band%2Clte_rsrp%2Clte_rsrq%2Clte_rssi%2Clte_snr%2Cmonthly_tx_bytes%2Cmonthly_rx_bytes%2Crealtime_tx_bytes%2Crealtime_rx_bytes%2Crealtime_tx_thrpt%2Crealtime_rx_thrpt%2Cnr_multi_ca_scell_info%2Cnr5g_action_band"
 
         headers = {
@@ -190,7 +189,7 @@ class zteRouter:
         response = s.get(cmd_url, headers=headers, verify=False, timeout=1)
         return response.text
 
-zteInstance = zteRouter(args.ip, args.username, args.password, args.login, args.device)
+zteInstance = zteRouter(args.ip, args.username, args.password, args.device)
 serverPort = args.port
 
 class serveInfos(BaseHTTPRequestHandler):
@@ -301,4 +300,4 @@ if __name__ == "__main__":
         webServer.serve_forever()
 
         webServer.server_close()
-        print("Server stopped.")
\ No newline at end of file
+        print("Server stopped.")