diff --git a/defaults/logging/logging.conf b/defaults/logging/logging.conf
index ebd829e..cdc158a 100644
--- a/defaults/logging/logging.conf
+++ b/defaults/logging/logging.conf
@@ -21,7 +21,8 @@ propagate=0
 class=handlers.RotatingFileHandler
 formatter=simpleFormatter
 # Filename, file mode, maximum file size in bytes,number of backups to keep
-args=('isce.log','a',1048576,5)
+# encoding, delay
+args=('isce.log','a',1048576,5,None,True)
 
 [handler_consoleHandler]
 class=StreamHandler