diff --git a/default.toml b/default.toml
index 5b6b2bc..a9c24d4 100644
--- a/default.toml
+++ b/default.toml
@@ -69,7 +69,7 @@ subst_youtube = []
 subst_reddit = []
 
 # Verbosity of log messages
-# One of DEBUG, INFO, WARNING, ERROR, CRITICAL, OFF
+ # One of DEBUG, INFO, WARNING, ERROR, CRITICAL, OFF
 # Default is "WARNING"
 log_level = "WARNING"
 
diff --git a/twoot.py b/twoot.py
index d75dac3..301cc26 100755
--- a/twoot.py
+++ b/twoot.py
@@ -22,6 +22,7 @@ import argparse
 from datetime import datetime, timedelta
 import logging
 import os
+import shutil
 import random
 import re
 import shutil
@@ -981,7 +982,9 @@ def main(argv):
     max_delta = timedelta(TOML['options']['log_days'])
 
     # Open log file
-    log_file = open('test.log', 'r')
+    log_file_name = TOML['options']['twitter_account'] + '.log'
+    new_log_file_name = TOML['options']['twitter_account'] + '.log.new'
+    log_file = open(log_file_name, 'r')
 
     # Check each line
     pos = log_file.tell()
@@ -1001,10 +1004,13 @@ def main(argv):
             # Reset file pointer to position before reading last line
             log_file.seek(pos)
             remainder = log_file.read()
-            output_file = open('test_new.log', 'w')
+            output_file = open(new_log_file_name, 'w')
             output_file.write(remainder)
             output_file.close()
-            break  # Exit while loop 
+            # replace log file by new one
+            shutil.move(new_log_file_name, log_file_name)
+
+            break  # Exit while loop
 
         pos = log_file.tell()