diff --git a/project_maintenance/__pycache__/__init__.cpython-36.pyc b/project_maintenance/__pycache__/__init__.cpython-36.pyc
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diff --git a/project_maintenance/models/__pycache__/__init__.cpython-36.pyc b/project_maintenance/models/__pycache__/__init__.cpython-36.pyc
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diff --git a/project_maintenance/models/__pycache__/analytic_account.cpython-36.pyc b/project_maintenance/models/__pycache__/analytic_account.cpython-36.pyc
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diff --git a/project_maintenance/models/__pycache__/digest.cpython-36.pyc b/project_maintenance/models/__pycache__/digest.cpython-36.pyc
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diff --git a/project_maintenance/models/__pycache__/maintenance.cpython-36.pyc b/project_maintenance/models/__pycache__/maintenance.cpython-36.pyc
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diff --git a/project_maintenance/models/__pycache__/res_config_settings.cpython-36.pyc b/project_maintenance/models/__pycache__/res_config_settings.cpython-36.pyc
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diff --git a/project_maintenance/models/__pycache__/res_partner.cpython-36.pyc b/project_maintenance/models/__pycache__/res_partner.cpython-36.pyc
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diff --git a/project_maintenance/report/__pycache__/__init__.cpython-36.pyc b/project_maintenance/report/__pycache__/__init__.cpython-36.pyc
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diff --git a/project_maintenance/report/__pycache__/maintenance_report.cpython-36.pyc b/project_maintenance/report/__pycache__/maintenance_report.cpython-36.pyc
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diff --git a/project_maintenance/views/project_view.xml b/project_maintenance/views/project_view.xml
index 7b99945..b5158de 100644
--- a/project_maintenance/views/project_view.xml
+++ b/project_maintenance/views/project_view.xml
@@ -23,15 +23,15 @@
                                 <field name="currency_id" invisible="1"/>
                             </group>
                             <group>
-                                <field name="line_ids" context="{'default_maintenance_id':1}" colspan="4" nolabel="1" widget="one2many">
+                                <field name="line_ids" colspan="4" nolabel="1" widget="one2many">
                                     <tree editable="top">
-                                        <field name="maintenance_id"  domain="[('maintenance_type_id','=',parent.maintenance_type_id)]"/>
+                                        <field name="maintenance_id" context="{'default_maintenance_type_id':parent.maintenance_type_id}" domain="[('maintenance_type_id','=',parent.maintenance_type_id)]"/>
                                         <field name="cost" widget="monetary" options="{'currency_field':'currency_id'}"/>
                                         <field name="currency_id" invisible="1"/>
                                     </tree>
                                     <form>
                                         <group>
-                                        <field name="maintenance_id"  domain="[('maintenance_type_id','=',parent.maintenance_type_id)]"/>
+                                        <field name="maintenance_id" context="{'default_maintenance_type_id':parent.maintenance_type_id}" domain="[('maintenance_type_id','=',parent.maintenance_type_id)]"/>
                                         <field name="cost" widget="monetary" options="{'currency_field':'currency_id'}"/>
                                         <field name="currency_id" invisible="1"/>
                                         </group>