diff --git a/addons/l10n_be/wizard/l10_be_partner_vat_listing.py b/addons/l10n_be/wizard/l10_be_partner_vat_listing.py
index 636e8fe2b89..24a9541a2a2 100644
--- a/addons/l10n_be/wizard/l10_be_partner_vat_listing.py
+++ b/addons/l10n_be/wizard/l10_be_partner_vat_listing.py
@@ -40,7 +40,7 @@ class vat_listing_clients(osv.osv_memory):
     def name_get(self, cr, uid, ids, context={}):
         if not len(ids):
             return []
-        return [(r['id'], r['name'] + ' - ' + r['vat']) \
+        return [(r['id'], r['name'] or '' + ' - ' + r['vat'] or '') \
                 for r in self.read(cr, uid, ids, ['name', 'vat'],
                     context, load='_classic_write')]