diff --git a/borgmatic/config/convert.py b/borgmatic/config/convert.py
index 557dff673..23cc08ba1 100644
--- a/borgmatic/config/convert.py
+++ b/borgmatic/config/convert.py
@@ -64,9 +64,9 @@ def convert_legacy_parsed_config(source_config, source_excludes, schema):
     return destination_config
 
 
-class LegacyConfigurationNotUpgraded(FileNotFoundError):
+class Legacy_configuration_not_upgraded(FileNotFoundError):
     def __init__(self):
-        super(LegacyConfigurationNotUpgraded, self).__init__(
+        super(Legacy_configuration_not_upgraded, self).__init__(
             '''borgmatic changed its configuration file format in version 1.1.0 from INI-style
 to YAML. This better supports validation, and has a more natural way to express
 lists of values. To upgrade your existing configuration, run:
@@ -83,7 +83,7 @@ instead of the old one.'''
 def guard_configuration_upgraded(source_config_filename, destination_config_filenames):
     '''
     If legacy source configuration exists but no destination upgraded configs do, raise
-    LegacyConfigurationNotUpgraded.
+    Legacy_configuration_not_upgraded.
 
     The idea is that we want to alert the user about upgrading their config if they haven't already.
     '''
@@ -92,4 +92,4 @@ def guard_configuration_upgraded(source_config_filename, destination_config_file
     )
 
     if os.path.exists(source_config_filename) and not destination_config_exists:
-        raise LegacyConfigurationNotUpgraded()
+        raise Legacy_configuration_not_upgraded()
diff --git a/borgmatic/logger.py b/borgmatic/logger.py
index 5df5a78cf..8a8eda028 100644
--- a/borgmatic/logger.py
+++ b/borgmatic/logger.py
@@ -38,32 +38,38 @@ def should_do_markup(no_color):
 
 LOG_LEVEL_TO_COLOR = {
     logging.CRITICAL: colorama.Fore.RED,
+    logging.ERROR: colorama.Fore.RED,
     logging.WARN: colorama.Fore.YELLOW,
     logging.INFO: colorama.Fore.GREEN,
     logging.DEBUG: colorama.Fore.CYAN,
 }
 
 
-class BorgmaticLogger(logging.Logger):
+class Borgmatic_logger(logging.Logger):
     def critical(self, msg, *args, **kwargs):
         color = LOG_LEVEL_TO_COLOR.get(logging.CRITICAL)
 
-        return super(BorgmaticLogger, self).critical(color_text(color, msg), *args, **kwargs)
+        return super(Borgmatic_logger, self).critical(color_text(color, msg), *args, **kwargs)
+
+    def error(self, msg, *args, **kwargs):
+        color = LOG_LEVEL_TO_COLOR.get(logging.ERROR)
+
+        return super(Borgmatic_logger, self).error(color_text(color, msg), *args, **kwargs)
 
     def warn(self, msg, *args, **kwargs):
         color = LOG_LEVEL_TO_COLOR.get(logging.WARN)
 
-        return super(BorgmaticLogger, self).warn(color_text(color, msg), *args, **kwargs)
+        return super(Borgmatic_logger, self).warn(color_text(color, msg), *args, **kwargs)
 
     def info(self, msg, *args, **kwargs):
         color = LOG_LEVEL_TO_COLOR.get(logging.INFO)
 
-        return super(BorgmaticLogger, self).info(color_text(color, msg), *args, **kwargs)
+        return super(Borgmatic_logger, self).info(color_text(color, msg), *args, **kwargs)
 
     def debug(self, msg, *args, **kwargs):
         color = LOG_LEVEL_TO_COLOR.get(logging.DEBUG)
 
-        return super(BorgmaticLogger, self).debug(color_text(color, msg), *args, **kwargs)
+        return super(Borgmatic_logger, self).debug(color_text(color, msg), *args, **kwargs)
 
     def handle(self, record):
         color = LOG_LEVEL_TO_COLOR.get(record.levelno)
@@ -71,14 +77,14 @@ class BorgmaticLogger(logging.Logger):
             dict(levelno=record.levelno, msg=color_text(color, record.msg))
         )
 
-        return super(BorgmaticLogger, self).handle(colored_record)
+        return super(Borgmatic_logger, self).handle(colored_record)
 
 
 def get_logger(name=None):
     '''
     Build a logger with the given name.
     '''
-    logging.setLoggerClass(BorgmaticLogger)
+    logging.setLoggerClass(Borgmatic_logger)
     logger = logging.getLogger(name)
     logger.propagate = False
     return logger
diff --git a/tests/unit/config/test_convert.py b/tests/unit/config/test_convert.py
index 15796cf31..73c309914 100644
--- a/tests/unit/config/test_convert.py
+++ b/tests/unit/config/test_convert.py
@@ -91,7 +91,7 @@ def test_guard_configuration_upgraded_raises_when_only_source_config_present():
     flexmock(os.path).should_receive('exists').with_args('config.yaml').and_return(False)
     flexmock(os.path).should_receive('exists').with_args('other.yaml').and_return(False)
 
-    with pytest.raises(module.LegacyConfigurationNotUpgraded):
+    with pytest.raises(module.Legacy_configuration_not_upgraded):
         module.guard_configuration_upgraded('config', ('config.yaml', 'other.yaml'))
 
 
diff --git a/tests/unit/test_logger.py b/tests/unit/test_logger.py
index 136c568b4..3fd5f275f 100644
--- a/tests/unit/test_logger.py
+++ b/tests/unit/test_logger.py
@@ -47,3 +47,28 @@ def test_should_do_markup_prefers_PY_COLORS_to_stdout_tty_value():
     flexmock(module).should_receive('to_bool').and_return(True)
 
     assert module.should_do_markup(no_color=False) is True
+
+
+@pytest.mark.parametrize('method_name', ('critical', 'error', 'warn', 'info', 'debug'))
+def test_borgmatic_logger_log_method_does_not_raise(method_name):
+    flexmock(module).should_receive('color_text')
+    flexmock(module.logging.Logger).should_receive(method_name)
+
+    getattr(module.Borgmatic_logger('test'), method_name)(msg='hi')
+
+
+def test_borgmatic_logger_handle_does_not_raise():
+    flexmock(module).should_receive('color_text')
+    flexmock(module.logging.Logger).should_receive('handle')
+
+    module.Borgmatic_logger('test').handle(
+        module.logging.makeLogRecord(dict(levelno=module.logging.CRITICAL, msg='hi'))
+    )
+
+
+def test_color_text_does_not_raise():
+    module.color_text(module.colorama.Fore.RED, 'hi')
+
+
+def test_color_text_without_color_does_not_raise():
+    module.color_text(None, 'hi')