diff --git a/account_asset_management/models/account_asset.py b/account_asset_management/models/account_asset.py
index 9a7f326b4..4136be7d7 100644
--- a/account_asset_management/models/account_asset.py
+++ b/account_asset_management/models/account_asset.py
@@ -146,7 +146,7 @@ class AccountAsset(models.Model):
         states={'draft': [('readonly', False)]})
     method_progress_factor = fields.Float(
         string='Degressive Factor', readonly=True,
-        states={'draft': [('readonly', False)]}, default=0.3)
+        states={'draft': [('readonly', False)]}, default=0.3, digits=(16, 4))
     method_time = fields.Selection(
         selection=lambda self: self.env[
             'account.asset.profile']._selection_method_time(),
diff --git a/account_asset_management/models/account_asset_profile.py b/account_asset_management/models/account_asset_profile.py
index cd3b1f659..d796f9470 100644
--- a/account_asset_management/models/account_asset_profile.py
+++ b/account_asset_management/models/account_asset_profile.py
@@ -81,7 +81,7 @@ class AccountAssetProfile(models.Model):
         default='year',
         help="Period length for the depreciation accounting entries")
     method_progress_factor = fields.Float(
-        string='Degressive Factor', default=0.3)
+        string='Degressive Factor', default=0.3, digits=(16, 4))
     method_time = fields.Selection(
         selection=lambda self: self._selection_method_time(),
         string='Time Method', required=True,