diff --git a/account_asset_management/models/account_asset.py b/account_asset_management/models/account_asset.py
index d13df42f..ba110a9f 100644
--- a/account_asset_management/models/account_asset.py
+++ b/account_asset_management/models/account_asset.py
@@ -268,8 +268,7 @@ class AccountAsset(models.Model):
                     raise UserError(
                         _("The Start Date must precede the Ending Date."))
 
-    @api.onchange('purchase_value', 'salvage_value', 'date_start', 'method',
-                  'depreciation_line_ids.type')
+    @api.onchange('purchase_value', 'salvage_value', 'date_start', 'method')
     def _onchange_purchase_salvage_value(self):
         if self.method in ['linear-limit', 'degr-limit']:
             self.depreciation_base = self.purchase_value or 0.0
diff --git a/account_asset_management/tests/account_asset_test_data.xml b/account_asset_management/tests/account_asset_test_data.xml
index 08e64b94..26bdcafb 100644
--- a/account_asset_management/tests/account_asset_test_data.xml
+++ b/account_asset_management/tests/account_asset_test_data.xml
@@ -90,6 +90,7 @@
       <field name="method_time">year</field>
       <field name="method_number" eval="5"/>
       <field name="method_period">year</field>
+      <field name="date_start" eval="time.strftime('%Y-01-01')"/>
       <field name="name">CEO's Car</field>
       <field name="purchase_value" eval="12000.0"/>
       <field name="salvage_value" eval="2000.0"/>