diff --git a/modbus4mqtt/modbus_interface.py b/modbus4mqtt/modbus_interface.py
index 237a841..4629eda 100644
--- a/modbus4mqtt/modbus_interface.py
+++ b/modbus4mqtt/modbus_interface.py
@@ -2,7 +2,7 @@
 import logging
 from queue import Queue
 from pymodbus.client.sync import ModbusTcpClient, ModbusSocketFramer
-from pymodbus import exceptions
+from pymodbus.exceptions import ConnectionException
 from SungrowModbusTcpClient import SungrowModbusTcpClient
 
 DEFAULT_SCAN_RATE_S = 5
@@ -57,7 +57,7 @@ def __init__(self, ip: str, port: int = 502, update_rate_s: int = DEFAULT_SCAN_R
     def connect(self) -> bool:
         try:
             return self._mb.connect()
-        except ConnectionResetError as e:
+        except (ConnectionResetError, ConnectionException) as e:
             logging.exception(f"{e}")
             return False