diff --git a/openerp/addons/base/ir/ir_cron.py b/openerp/addons/base/ir/ir_cron.py
index aac021b0497..2766aa29bc0 100644
--- a/openerp/addons/base/ir/ir_cron.py
+++ b/openerp/addons/base/ir/ir_cron.py
@@ -20,10 +20,7 @@
 ##############################################################################
 
 import time
-import sys
-import traceback
 import logging
-from pprint import pformat
 from datetime import datetime
 from dateutil.relativedelta import relativedelta
 import netsvc
@@ -95,8 +92,8 @@ class ir_cron(osv.osv, netsvc.Agent):
         if m and hasattr(m, func):
             f = getattr(m, func)
             try:
-                depth=(None if self._logger.isEnabledFor(logging.DEBUG_RPC_ANSWER) else 1)
-                netsvc.log('cron', (cr.dbname,uid,'*',model,func)+tuple(args), channel=logging.DEBUG, depth=(None if self._logger.isEnabledFor(logging.DEBUG_RPC_ANSWER) else 1), fn='object.execute')
+                netsvc.log('cron', (cr.dbname,uid,'*',model,func)+tuple(args), channel=logging.DEBUG,
+                            depth=(None if self._logger.isEnabledFor(logging.DEBUG_RPC_ANSWER) else 1), fn='object.execute')
                 f(cr, uid, *args)
             except Exception, e:
                 cr.rollback()
diff --git a/openerp/netsvc.py b/openerp/netsvc.py
index f06f96f7285..9d3e338a9e1 100644
--- a/openerp/netsvc.py
+++ b/openerp/netsvc.py
@@ -396,10 +396,11 @@ def replace_request_password(args):
 def log(title, msg, channel=logging.DEBUG_RPC, depth=None, fn=""):
     logger = logging.getLogger(title)
     if logger.isEnabledFor(channel):
-        indent=0
+        indent=''
+        indent_after=' '*len(fn)
         for line in (fn+pformat(msg, depth=depth)).split('\n'):
-            logger.log(channel, ' '*indent+line)
-            indent=len(fn)
+            logger.log(channel, indent+line)
+            indent=indent_after
 
 class OpenERPDispatcher:
     def log(self, title, msg, channel=logging.DEBUG_RPC, depth=None, fn=""):