diff --git a/bin/addons/base/res/partner/partner.py b/bin/addons/base/res/partner/partner.py
index 5a003c0fa0b..36d39df85c5 100644
--- a/bin/addons/base/res/partner/partner.py
+++ b/bin/addons/base/res/partner/partner.py
@@ -441,7 +441,10 @@ class res_partner_bank(osv.osv):
 	def name_get(self, cr, uid, ids, context={}):
 		if not len(ids):
 			return []
-		return [(r['id'], r[self._rec_name] + (r['owner_name'] and (' ' + r['owner_name']) or '')) for r in self.read(cr, uid, ids, [self._rec_name, 'owner_name'], context, load='_classic_write')]
+		return [(r['id'], (r[self._rec_name] or '') + (r['owner_name'] and \
+				(' ' + r['owner_name']) or '')) for r in self.read(cr, uid, ids,
+					[self._rec_name, 'owner_name'], context,
+					load='_classic_write')]
 
 res_partner_bank()