diff --git a/openerp/addons/base/ir/ir_cron.py b/openerp/addons/base/ir/ir_cron.py
index cfabd97fb16..3bcc00f326a 100644
--- a/openerp/addons/base/ir/ir_cron.py
+++ b/openerp/addons/base/ir/ir_cron.py
@@ -150,8 +150,8 @@ class ir_cron(osv.osv):
             must not be committed/rolled back!
         """
         try:
-            now = fields.datetime.context_timestamp(job_cr, SUPERUSER_ID, datetime.now())
-            nextcall = fields.datetime.context_timestamp(job_cr, SUPERUSER_ID, datetime.strptime(job['nextcall'], DEFAULT_SERVER_DATETIME_FORMAT))
+            now = fields.datetime.context_timestamp(job_cr, job['user_id'], datetime.now())
+            nextcall = fields.datetime.context_timestamp(job_cr, job['user_id'], datetime.strptime(job['nextcall'], DEFAULT_SERVER_DATETIME_FORMAT))
             numbercall = job['numbercall']
 
             ok = False