diff --git a/app/src/gen3/talent.py b/app/src/gen3/talent.py
index def26fc..7e54d92 100644
--- a/app/src/gen3/talent.py
+++ b/app/src/gen3/talent.py
@@ -36,7 +36,7 @@ class Control:
 
 class Talent(Message):
     def __init__(self, server_side: bool, id_str=b''):
-        super().__init__(server_side, self.send_modbus_cb, 11)
+        super().__init__(server_side, self.send_modbus_cb, mb_timeout=11)
         self.await_conn_resp_cnt = 0
         self.id_str = id_str
         self.contact_name = b''
diff --git a/app/src/gen3plus/solarman_v5.py b/app/src/gen3plus/solarman_v5.py
index f9231eb..fb5f968 100644
--- a/app/src/gen3plus/solarman_v5.py
+++ b/app/src/gen3plus/solarman_v5.py
@@ -52,7 +52,7 @@ class SolarmanV5(Message):
     MB_RTU_CMD = 2
 
     def __init__(self, server_side: bool):
-        super().__init__(server_side, self.send_modbus_cb, 5)
+        super().__init__(server_side, self.send_modbus_cb, mb_timeout=5)
 
         self.header_len = 11  # overwrite construcor in class Message
         self.control = 0