diff --git a/addons/account/account_move_line.py b/addons/account/account_move_line.py
index 24ae867e68a..9010fc3594d 100644
--- a/addons/account/account_move_line.py
+++ b/addons/account/account_move_line.py
@@ -78,7 +78,7 @@ class account_move_line(osv.osv):
                 context['periods'] = fiscalperiod_obj.build_ctx_periods(cr, uid, context['period_from'], context['period_to'])
         if context.get('periods', False):
             if initial_bal:
-                query = obj+".state <> 'draft' AND "+obj+".period_id IN (SELECT id FROM account_period WHERE fiscalyear_id IN (%s) %s %s)" % (fiscalyear_clause, where_move_state, where_move_lines_by_date)
+                query = obj+".state <> 'draft' AND "+obj+".period_id IN (SELECT id FROM account_period WHERE fiscalyear_id IN (%s)) %s %s" % (fiscalyear_clause, where_move_state, where_move_lines_by_date)
                 period_ids = fiscalperiod_obj.search(cr, uid, [('id', 'in', context['periods'])], order='date_start', limit=1)
                 if period_ids and period_ids[0]:
                     first_period = fiscalperiod_obj.browse(cr, uid, period_ids[0], context=context)