diff --git a/record_archiver/models/company.py b/record_archiver/models/company.py
index 2b3c410a3..cf6a9c361 100644
--- a/record_archiver/models/company.py
+++ b/record_archiver/models/company.py
@@ -23,7 +23,7 @@ class Company(orm.Model):
     _inherit = 'res.company'
 
     _columns = {
-        'lifespan_ids': fields.one2many(
+        'record_lifespan_ids': fields.one2many(
             'record.lifespan',
             'company_id',
             string="Record Lifespans"),
diff --git a/record_archiver/models/record_lifespan.py b/record_archiver/models/record_lifespan.py
index 74d24d9ef..e6b1928dd 100644
--- a/record_archiver/models/record_lifespan.py
+++ b/record_archiver/models/record_lifespan.py
@@ -39,9 +39,18 @@ class RecordLifespan(orm.Model):
     _order = 'model'
 
     _columns = {
-        'model': fields.char(
-            "Model",
-            required=True),
+        'model_id': fields.many2one(
+            'ir.model',
+            string='Model',
+            required=True,
+        ),
+        'model': fields.related(
+            'model_id', 'model',
+            string='Model Name',
+            type='char',
+            readonly=True,
+            store=True,
+        ),
         'months': fields.integer(
             "Months",
             required=True,
@@ -55,7 +64,7 @@ class RecordLifespan(orm.Model):
     }
 
     _sql_constraints = [
-        ('model_uniq', 'unique(model, company_id)',
+        ('model_uniq', 'unique(model_id, company_id)',
          "A model can only have 1 lifespan per company"),
         ('months_gt_0', 'check (months > 0)',
          "Months must be a value greater than 0"),
@@ -81,7 +90,7 @@ class RecordLifespan(orm.Model):
         model = self.pool[lifespan.model]
         domain = [('write_date', '<', expiration_date),
                   ('company_id', '=', lifespan.company_id.id)]
-        if 'state' in model._columns.keys():
+        if 'state' in model._columns:
             domain += [('state', 'in', ('done', 'cancel'))]
         return domain
 
@@ -95,12 +104,12 @@ class RecordLifespan(orm.Model):
 
         """
         today = datetime.today()
-        model = self.pool[lifespan.model]
+        model = self.pool.get(lifespan.model)
         if not model:
             raise orm.except_orm(
                 _('Error'),
                 _('Model %s not found') % lifespan.model)
-        if 'active' not in model._columns.keys():
+        if 'active' not in model._columns:
             raise orm.except_orm(
                 _('Error'),
                 _('Model %s has no active field') % lifespan.model)
diff --git a/record_archiver/models/res_config.py b/record_archiver/models/res_config.py
index fb6c2bf61..3ca7f4b9c 100644
--- a/record_archiver/models/res_config.py
+++ b/record_archiver/models/res_config.py
@@ -29,8 +29,8 @@ class RecordArchiverConfigSettings(orm.TransientModel):
 
     _columns = {
         'company_id': fields.many2one('res.company', 'Company', required=True),
-        'lifespan_ids': fields.related(
-            'company_id', 'lifespan_ids',
+        'record_lifespan_ids': fields.related(
+            'company_id', 'record_lifespan_ids',
             string='Record Lifespans',
             type='one2many',
             relation='record.lifespan'),
@@ -63,8 +63,8 @@ class RecordArchiverConfigSettings(orm.TransientModel):
             return {'value': {}}
         company = self.pool.get('res.company'
                                 ).browse(cr, uid, company_id, context=context)
-        lifespan_ids = [l.id for l in company.lifespan_ids]
+        lifespan_ids = [l.id for l in company.record_lifespan_ids]
         values = {
-            'lifespan_ids': lifespan_ids,
+            'record_lifespan_ids': lifespan_ids,
         }
         return {'value': values}
diff --git a/record_archiver/views/res_config.xml b/record_archiver/views/res_config.xml
index 0642b4671..83d85306d 100644
--- a/record_archiver/views/res_config.xml
+++ b/record_archiver/views/res_config.xml
@@ -31,9 +31,9 @@
           <group>
             <div>
               <div>
-                <field name="lifespan_ids" class="oe_inline">
+                <field name="record_lifespan_ids" class="oe_inline">
                   <tree editable="bottom">
-                    <field name="model"/>
+                    <field name="model_id"/>
                     <field name="months"/>
                   </tree>
                 </field>