diff --git a/openerp/service/workers.py b/openerp/service/workers.py
index fc6f0ad3ef3..d65b3f8a8c7 100644
--- a/openerp/service/workers.py
+++ b/openerp/service/workers.py
@@ -363,6 +363,9 @@ class WorkerCron(Worker):
                 acquired = base.ir.ir_cron.ir_cron._acquire_job(db_name)
                 if not acquired:
                     break
+            # dont keep cursors in multi database mode
+            if len(db_names) > 1:
+                sql_db.close_db(db_name)
         # TODO Each job should be considered as one request instead of each db
         self.request_count += 1