diff --git a/addons/website/models/website.py b/addons/website/models/website.py
index 99187fc7bad..8f95a4a6123 100644
--- a/addons/website/models/website.py
+++ b/addons/website/models/website.py
@@ -572,7 +572,7 @@ class res_partner(osv.osv):
     def google_map_img(self, cr, uid, ids, zoom=8, width=298, height=298, context=None):
         partner = self.browse(cr, uid, ids[0], context=context)
         params = {
-            'center': '%s, %s %s, %s' % (partner.street, partner.city, partner.zip, partner.country_id and partner.country_id.name_get()[0][1] or ''),
+            'center': '%s, %s %s, %s' % (partner.street or '', partner.city or '', partner.zip or '', partner.country_id and partner.country_id.name_get()[0][1] or ''),
             'size': "%sx%s" % (height, width),
             'zoom': zoom,
             'sensor': 'false',