diff --git a/addons/account_budget/crossovered_budget.py b/addons/account_budget/crossovered_budget.py
index 752e8c82694..6a78b317ea8 100644
--- a/addons/account_budget/crossovered_budget.py
+++ b/addons/account_budget/crossovered_budget.py
@@ -168,7 +168,7 @@ class crossovered_budget_lines(osv.osv):
                 date_from = context['wizard_date_from']
             if context.has_key('wizard_date_to'):
                 date_to = context['wizard_date_to']
-            cr.execute('select sum(amount) from account_analytic_line where account_id=%s and (date between to_date(%s,'yyyy-mm-dd') and to_date(%s,'yyyy-mm-dd')) and general_account_id in (%s)', (line.analytic_account_id.id,date_from,date_to,acc_ids))
+            cr.execute("select sum(amount) from account_analytic_line where account_id=%s and (date between to_date(%s,'yyyy-mm-dd') and to_date(%s,'yyyy-mm-dd')) and general_account_id in (%s)", (line.analytic_account_id.id,date_from,date_to,acc_ids))
             result=cr.fetchone()[0]
             if result==None:
                 result=0.00