diff --git a/addons/account_asset/account_asset.py b/addons/account_asset/account_asset.py
index d5f726c6b36..856f4482e02 100644
--- a/addons/account_asset/account_asset.py
+++ b/addons/account_asset/account_asset.py
@@ -126,7 +126,7 @@ class AccountAssetAsset(models.Model):
         else:
             if self.method == 'linear':
                 amount = amount_to_depr / (undone_dotation_number - len(posted_depreciation_line_ids))
-                if self.prorata and self.category_id.type == 'purchase':
+                if self.prorata:
                     amount = amount_to_depr / self.method_number
                     if sequence == 1:
                         days = (self.company_id.compute_fiscalyear_dates(depreciation_date)['date_to'] - depreciation_date).days + 1
@@ -147,7 +147,7 @@ class AccountAssetAsset(models.Model):
             while depreciation_date <= end_date:
                 depreciation_date = date(depreciation_date.year, depreciation_date.month, depreciation_date.day) + relativedelta(months=+self.method_period)
                 undone_dotation_number += 1
-        if self.prorata and self.category_id.type == 'purchase':
+        if self.prorata:
             undone_dotation_number += 1
         return undone_dotation_number