diff --git a/coordinator/Processor.py b/coordinator/Processor.py
index cd58e738abe07c7ee09cd067566c053c82172405..b87a217e150e86fa538d0d97491d406d5f152e36 100755
--- a/coordinator/Processor.py
+++ b/coordinator/Processor.py
@@ -211,6 +211,7 @@ def move_default_logfile_handler(dstPathName,srcPathName=log_path_default,FileHa
     # remove handler for source file
     logger.info('Stopping write to old file handler')
     logger.removeHandler(oldFileHandler)
+    oldFileHandler.close()
     logger.info('Successfully stopped write to old file handler')
 
     # delete old log file