diff --git a/sms_send_picking/__openerp__.py b/sms_send_picking/__openerp__.py
index 5bf5063..cc1c42f 100644
--- a/sms_send_picking/__openerp__.py
+++ b/sms_send_picking/__openerp__.py
@@ -23,10 +23,10 @@
 {
     'name': 'Sms Send Picking',
     'version': '0.0.1',
-    'author': 'Akretion',
+    'author': 'Akretion, OCA',
     'website': 'www.akretion.com',
     'license': 'AGPL-3',
-    'category': 'Generic Modules',
+    'category': 'Phone',
     'description': """
         Automatic sms sending when a delivery is ready to transfert
     """,
diff --git a/sms_send_picking/stock.py b/sms_send_picking/stock.py
index 5e1a6f7..bb6573e 100644
--- a/sms_send_picking/stock.py
+++ b/sms_send_picking/stock.py
@@ -26,13 +26,13 @@ from openerp import api, models, fields
 class StockPicking(models.Model):
     _inherit = 'stock.picking'
 
-    sms_sent = fields.Boolean()
+    sms_sent = fields.Boolean(default=False)
 
     @api.model
     def _send_sms(self):
         sms_sender_obj = self.env['partner.sms.send']
         gateways = self.env['sms.smsclient'].search([('default_gateway', '=',
-                                                      True)])
+                                                      True)], limit=1)
         gateway = gateways[0]
         pickings = self.env['stock.picking'].search(
             [('state', '=', 'assigned'), ('sms_sent', '=', False),
@@ -46,10 +46,3 @@ class StockPicking(models.Model):
             sms_sender = sms_sender_obj.create(data)
             sms_sender.sms_send()
             pick.sms_sent = True
-
-    @api.one
-    def copy(self, default=None):
-        if default is None:
-            default = {}
-        default['sms_sent'] = False
-        return super(StockPicking, self).copy(default=default)