diff --git a/trytond/res/group.py b/trytond/res/group.py
index 6737ba748d..d5407f1509 100644
--- a/trytond/res/group.py
+++ b/trytond/res/group.py
@@ -33,6 +33,8 @@ class Group(ModelSQL, ModelView):
     name = fields.Char('Name', required=True, select=1, translate=True)
     model_access = fields.One2Many('ir.model.access', 'group',
        'Access Model')
+    field_access = fields.One2Many('ir.model.field.access', 'group',
+        'Access Field')
     rule_groups = fields.Many2Many('ir.rule.group-res.group',
        'group_id', 'rule_group_id', 'Rules',
        domain=[('global_p', '!=', True), ('default_p', '!=', True)])
@@ -45,6 +47,29 @@ class Group(ModelSQL, ModelView):
             ('name_uniq', 'unique (name)', 'The name of the group must be unique!')
         ]
 
+    def copy(self, ids, default=None):
+        int_id = isinstance(ids, (int, long))
+        if int_id:
+            ids = [ids]
+
+        if default is None:
+            default = {}
+        default = default.copy()
+
+        new_ids = []
+        for group in self.browse(ids):
+            i = 1
+            while True:
+                name = '%s (%d)' % (group.name, i)
+                if not self.search([('name', '=', name)], order=[]):
+                    break
+                i += 1
+            default['name'] = name
+            new_ids.append(super(Group, self).copy(group.id, default=default))
+        if int_id:
+            return new_ids[0]
+        return new_ids
+
     def create(self, vals):
         res = super(Group, self).create(vals)
         # Restart the cache on the domain_get method
diff --git a/trytond/res/group.xml b/trytond/res/group.xml
index a1b05a8a85..5835c0200b 100644
--- a/trytond/res/group.xml
+++ b/trytond/res/group.xml
@@ -19,13 +19,13 @@ this repository contains the full copyright notices and license terms. -->
                             <separator name="users" colspan="2"/>
                             <field name="users" colspan="2"/>
                         </page>
-                        <page string="Access Permissions" col="1" id="permissions">
-                            <separator name="model_access"/>
+                        <page string="Access Permissions" col="2" id="permissions">
                             <field name="model_access"/>
-                            <separator name="menu_access"/>
-                            <field name="menu_access"/>
-                            <separator name="rule_groups"/>
-                            <field name="rule_groups"/>
+                            <field name="field_access"/>
+                            <separator name="menu_access" colspan="2"/>
+                            <field name="menu_access" colspan="2"/>
+                            <separator name="rule_groups" colspan="2"/>
+                            <field name="rule_groups" colspan="2"/>
                         </page>
                     </notebook>
                 </form>