diff --git a/thingsboard_gateway/extensions/serial/custom_serial_connector.py b/thingsboard_gateway/extensions/serial/custom_serial_connector.py
index 86de7dd2..7e34bca0 100644
--- a/thingsboard_gateway/extensions/serial/custom_serial_connector.py
+++ b/thingsboard_gateway/extensions/serial/custom_serial_connector.py
@@ -42,7 +42,7 @@ def __init__(self, gateway, config, connector_type):
         self.__gateway = gateway  # Save gateway object, we will use some gateway methods for adding devices and saving data from them.
         self.name = self.__config.get("name",
                                        "Custom %s connector " % self.get_name() + ''.join(
-                                           choice(ascii_lowercase) for _ in range(5))))  # get from the configuration or create name for logs.
+                                           choice(ascii_lowercase) for _ in range(5)))  # get from the configuration or create name for logs.
         self._log = init_logger(self.__gateway, self.name, level=self.__config.get('logLevel'))
         self._log.info("Starting Custom %s connector", self.get_name())  # Send message to logger
         self.daemon = True  # Set self thread as daemon