diff --git a/kineintercom/intercom.py b/kineintercom/intercom.py
index f1f3f29..162bfa9 100644
--- a/kineintercom/intercom.py
+++ b/kineintercom/intercom.py
@@ -32,32 +32,58 @@ class SizedTimedRotatingFileHandler(handlers.TimedRotatingFileHandler):
     to the next when the current file reaches a certain size, or at certain
     timed intervals
     """
-
-    def __init__(self, filename, maxBytes=0, backupCount=0, encoding=None,
+    def __init__(self, filename, maxBytes=0, mode='a', backupCount=0, encoding=None,
                  delay=0, when='h', interval=1, utc=False):
-        handlers.TimedRotatingFileHandler.__init__(self, filename, when, interval,
-                                                   backupCount, encoding, delay, utc)
-        self.maxBytes = maxBytes
+        handlers.TimedRotatingFileHandler.__init__(self,
+                                                   filename=filename,
+                                                   when=when,
+                                                   interval=interval,
+                                                   backupCount=backupCount,
+                                                   encoding=encoding,
+                                                   delay=delay,
+                                                   utc=utc)
+
+        handlers.RotatingFileHandler.__init__(self,
+                                              filename=filename,
+                                              mode=mode,
+                                              maxBytes=maxBytes,
+                                              backupCount=backupCount,
+                                              encoding=encoding,
+                                              delay=delay)
+
+    def computeRollover(self, current_time):
+        '''
+        '''
+        return handlers.TimedRotatingFileHandler.computeRollover(self, current_time)
 
     def shouldRollover(self, record):
-        """
-        Determine if rollover should occur.
+        '''
+        '''
+        return handlers.TimedRotatingFileHandler.shouldRollover(self, record) or handlers.RotatingFileHa
+ndler.shouldRollover(self, record)
 
-        Basically, see if the supplied record would cause the file to exceed
-        the size limit we have.
-        """
-        if self.stream is None:                 # delay was set...
-            self.stream = self._open()
-        if self.maxBytes > 0:                   # are we rolling over?
-            msg = "%s\n" % self.format(record)
-            # due to non-posix-compliant Windows feature
-            self.stream.seek(0, 2)
-            if self.stream.tell() + len(msg) >= self.maxBytes:
-                return 1
-        t = int(time.time())
-        if t >= self.rolloverAt:
-            return 1
-        return 0
+    def doRollover(self):
+        '''
+        '''
+        current_time = int(time.time())
+        dst_now = time.localtime(current_time)[-1]
+        new_rollover_at = self.computeRollover(current_time)
+
+        while new_rollover_at <= current_time:
+            new_rollover_at = new_rollover_at + self.interval
+
+        # If DST changes and midnight or weekly rollover, adjust for this.
+        if (self.when == 'MIDNIGHT' or self.when.startswith('W')) and not self.utc:
+            dst_at_rollover = time.localtime(new_rollover_at)[-1]
+            if dst_now != dst_at_rollover:
+                if not dst_now:  # DST kicks in before next rollover, so we need to deduct an hour
+                    addend = -3600
+                else:  # DST bows out before next rollover, so we need to add an hour
+                    addend = 3600
+                new_rollover_at += addend
+        self.rolloverAt = new_rollover_at
+
+        return handlers.RotatingFileHandler.doRollover(self)
 
 
 def validate_json(json_data={}, logger=None):
@@ -786,7 +812,7 @@ def main():
     fl.setFormatter(formatter)
     logger.addHandler(fl)
     handler = SizedTimedRotatingFileHandler(os.path.join('/var/log/kineintercom','Intercom.log'),
-                                            maxBytes=10000000, backupCount=30, when='d', interval=1)
+                                            maxBytes=1048576, backupCount=30, when='D', interval=1)
     handler.setLevel(log.INFO)
     handler.setFormatter(formatter)
     logger.addHandler(handler)