diff --git a/twisted/plugins/frnrecorder.py b/twisted/plugins/frnrecorder.py
index ebad7a4..756c1a9 100755
--- a/twisted/plugins/frnrecorder.py
+++ b/twisted/plugins/frnrecorder.py
@@ -51,7 +51,7 @@ class FRNRecorder(FRNClient):
     def buildMessageLogName(self):
         ts = time.localtime()
         dirname = self.factory.recdir+"/"+time.strftime("%Y%m/%d/%H", ts)
-        filename = 'messages.txt'
+        filename = time.strftime("%Y%m%d-%H-", ts) + 'messages.txt'
         try:
             os.makedirs(dirname)
         except OSError: pass