diff --git a/addons/account/account.py b/addons/account/account.py
index b11eaf07f35..b0394d91901 100644
--- a/addons/account/account.py
+++ b/addons/account/account.py
@@ -705,7 +705,7 @@ class account_bank_statement(osv.osv):
 	def _default_journal_id(self, cr, uid, context={}):
 		if context.get('journal_id', False):
 			return context['journal_id']
-		return 0
+		return False
 
 	def _default_balance_start(self, cr, uid, context={}):
 		cr.execute('select id from account_bank_statement where journal_id=%d order by date desc limit 1', (1,))