diff --git a/dsmr_parser/clients/serial_.py b/dsmr_parser/clients/serial_.py
index 12d2245..0c1de59 100644
--- a/dsmr_parser/clients/serial_.py
+++ b/dsmr_parser/clients/serial_.py
@@ -38,7 +38,7 @@ class SerialReader(object):
                     try:
                         yield self.telegram_parser.parse(telegram)
                     except InvalidChecksumError as e:
-                        logger.warning(str(e))
+                        logger.info(str(e))
                     except ParseError as e:
                         logger.error('Failed to parse telegram: %s', e)