--- a/python/mach/mach/logging.py
+++ b/python/mach/mach/logging.py
@@ -156,22 +156,22 @@ class LoggingManager(object):
         self.root_logger = logging.getLogger()
         self.root_logger.setLevel(logging.DEBUG)
 
         # Installing NullHandler on the root logger ensures that *all* log
         # messages have at least one handler. This prevents Python from
         # complaining about "no handlers could be found for logger XXX."
         self.root_logger.addHandler(logging.NullHandler())
 
-        self.mach_logger = logging.getLogger('mach')
-        self.mach_logger.setLevel(logging.DEBUG)
+        mach_logger = logging.getLogger('mach')
+        mach_logger.setLevel(logging.DEBUG)
 
         self.structured_filter = ConvertToStructuredFilter()
 
-        self.structured_loggers = [self.mach_logger]
+        self.structured_loggers = [mach_logger]
 
         self._terminal = None
 
     @property
     def terminal(self):
         if not self._terminal and blessings:
             # Sometimes blessings fails to set up the terminal. In that case,
             # silently fail.