diff --git a/cor_custom/models/analytic.py b/cor_custom/models/analytic.py
index ba14b98..bc2032c 100755
--- a/cor_custom/models/analytic.py
+++ b/cor_custom/models/analytic.py
@@ -37,6 +37,14 @@ class AccountAnalyticLine(models.Model):
                                    ])
         return domain
 
+    @api.depends('project_id', 'sub_project')
+    def compute_sub_project_id(self):
+        for record in self:
+            if record.project_id and record.project_id.is_sub_project == True and record.project_id.sub_project:
+                record.sub_project_ids = record.project_id.sub_project.ids
+            else:
+                record.sub_project_ids = False
+
     def default_get(self, field_list):
         result = super(AccountAnalyticLine, self).default_get(field_list)
         if self.env.user:
@@ -53,13 +61,13 @@ class AccountAnalyticLine(models.Model):
     date = fields.Date('Date', required=True, index=True, compute='_compute_start_end_date', store=True)
     unit_amount = fields.Float('Duration', default=0.0)
     parent_project = fields.Many2one('project.project', related='project_id.parent_project', string='Parent Project')
-    sub_project = fields.Many2one('project.project', domain="[('is_sub_project', '=', True)]",
-                                  string='Sub Project')
+    sub_project_ids = fields.Many2many('project.project', compute='compute_sub_project_id')
+    sub_project = fields.Many2one('project.project', string='Sub Project')
     active_project = fields.Boolean(related='project_id.active', store=True)
     pricing_type = fields.Selection(related='project_id.pricing_type', store=True)
     project_type = fields.Selection(related='project_id.project_type', store=True)
 
-    @api.onchange('project_id')
+    """@api.onchange('project_id')
     def _onchange_sub_project_id(self):
         self.sub_project = False
         res = {}
@@ -67,7 +75,7 @@ class AccountAnalyticLine(models.Model):
             res['domain'] = {'sub_project': [('id', 'in', self.project_id.sub_project.ids)]}
         else:
             res['domain'] = {'sub_project': [('id', '=', False)]}
-        return res
+        return res"""
 
     def _default_start_datetime(self):
         return fields.Datetime.to_string(datetime.combine(fields.Datetime.now(), datetime.min.time()))
diff --git a/cor_custom/views/analytic_view.xml b/cor_custom/views/analytic_view.xml
index 1756a00..f51a4fd 100755
--- a/cor_custom/views/analytic_view.xml
+++ b/cor_custom/views/analytic_view.xml
@@ -66,10 +66,13 @@
                 <field name="date" readonly="1" invisible="1"/>
                 <field name="employee_id" invisible="1"/>
                 <!--<field name="project_ids" widget="many2many_tags"/>-->
-                <field name="project_id" required="1" options="{'no_open': True, 'no_create': True, 'no_create_edit': True}"
+                <field name="project_id" required="1"
+                       options="{'no_open': True, 'no_create': True, 'no_create_edit': True}"
                        context="{'form_view_ref': 'project.project_project_view_form_simplified',}"
-                       />
-                <field name="sub_project" options="{'no_open': True, 'no_create': True, 'no_create_edit': True}"/>
+                />
+                <field name="sub_project_ids" widget="many2many_tags" invisible="1"/>
+                <field name="sub_project" options="{'no_open': True, 'no_create': True, 'no_create_edit': True}"
+                       domain="[('id', 'in', sub_project_ids)]"/>
                 <field name="task_id" optional="show" options="{'no_create_edit': True, 'no_open': True}"
                        widget="task_with_hours" context="{'default_project_id': project_id}"
                        domain="[('project_id', '=', project_id)]"/>
@@ -164,7 +167,8 @@
                     </group>
                     <group>
                         <group>
-                            <field name="project_id" required="1" options="{'no_open': True, 'no_create': True, 'no_create_edit': True}"
+                            <field name="project_id" required="1"
+                                   options="{'no_open': True, 'no_create': True, 'no_create_edit': True}"
                                    context="{'form_view_ref': 'project.project_project_view_form_simplified',}"/>
                             <field name="sub_project"
                                    options="{'no_open': True, 'no_create': True, 'no_create_edit': True}"/>