diff --git a/addons/mrp/models/mrp_production.py b/addons/mrp/models/mrp_production.py
index 4cd0730c9ab..d8480672593 100644
--- a/addons/mrp/models/mrp_production.py
+++ b/addons/mrp/models/mrp_production.py
@@ -263,6 +263,17 @@ class MrpProduction(models.Model):
         self.location_src_id = self.picking_type_id.default_location_src_id.id or location.id
         self.location_dest_id = self.picking_type_id.default_location_dest_id.id or location.id
 
+    @api.multi
+    def write (self, vals):
+        res = super(MrpProduction, self).write(vals)
+        if 'date_planned_start' in vals:
+            moves = (self.mapped('move_raw_ids') + self.mapped('move_finished_ids')).filtered(
+                lambda r: r.state not in ['done', 'cancel'])
+            moves.write({
+                'date_expected': vals['date_planned_start'],
+            })
+        return res
+
     @api.model
     def create(self, values):
         if not values.get('name', False) or values['name'] == _('New'):
diff --git a/addons/payment_authorize/models/authorize_request.py b/addons/payment_authorize/models/authorize_request.py
index f7aca95511d..fef82365b71 100644
--- a/addons/payment_authorize/models/authorize_request.py
+++ b/addons/payment_authorize/models/authorize_request.py
@@ -142,7 +142,7 @@ class AuthorizeAPI():
         etree.SubElement(billTo, "address").text = (partner.street or '' + (partner.street2 if partner.street2 else '')) or None
         etree.SubElement(billTo, "city").text = partner.city
         etree.SubElement(billTo, "state").text = partner.state_id.name or None
-        etree.SubElement(billTo, "zip").text = partner.zip
+        etree.SubElement(billTo, "zip").text = partner.zip or ''
         etree.SubElement(billTo, "country").text = partner.country_id.name or None
         payment = etree.SubElement(payment_profile, "payment")
         creditCard = etree.SubElement(payment, "creditCard")