diff --git a/database_cleanup/model/purge_data.py b/database_cleanup/model/purge_data.py
index 4aa80c886..1d5741abc 100644
--- a/database_cleanup/model/purge_data.py
+++ b/database_cleanup/model/purge_data.py
@@ -28,9 +28,9 @@ class CleanupPurgeLineData(orm.TransientModel):
     _name = 'cleanup.purge.line.data'
 
     _columns = {
-        'model_id': fields.many2one(
-            'ir.model', 'Model',
-            required=True, ondelete='CASCADE'),
+        'data_id': fields.many2one(
+            'ir.model.data', 'Data entry',
+            ondelete='SET NULL'),
         'wizard_id': fields.many2one(
             'cleanup.purge.wizard.data', 'Purge Wizard', readonly=True),
         }
@@ -99,7 +99,4 @@ class CleanupPurgeWizardData(orm.TransientModel):
         'purge_line_ids': fields.one2many(
             'cleanup.purge.line.data',
             'wizard_id', 'Data to purge'),
-        'data_id': fields.many2one(
-            'ir.model.data', 'Data entry',
-            ondelete='SET NULL'),
         }
diff --git a/database_cleanup/view/purge_data.xml b/database_cleanup/view/purge_data.xml
index d45422027..e749f4569 100644
--- a/database_cleanup/view/purge_data.xml
+++ b/database_cleanup/view/purge_data.xml
@@ -6,7 +6,7 @@
             <field name="name">Form view for purge data wizard</field>
             <field name="model">cleanup.purge.wizard.data</field>
             <field name="arch" type="xml">
-                <form string="Purge data" version="7.0">
+                <form string="Purge data entries that refer to missing resources" version="7.0">
                     <h1>
                         <field name="name"/>
                     </h1>
@@ -14,7 +14,7 @@
                     <field name="purge_line_ids" colspan="4" nolabel="1">
                         <tree string="Purge data">
                             <field name="name" />
-                            <field name="model_id" />
+                            <field name="data_id" />
                             <field name="purged" invisible="0" />
                             <button type="object" name="purge"
                                     icon="gtk-cancel" string="Purge this data"
@@ -26,7 +26,7 @@
         </record>
 
         <record id="action_purge_data" model="ir.actions.act_window">
-            <field name="name">Purge data</field>
+            <field name="name">Purge data entries that refer to missing resources</field>
             <field name="type">ir.actions.act_window</field>
             <field name="res_model">cleanup.purge.wizard.data</field>
             <field name="view_type">form</field>