diff --git a//trytond/trytond/modules/account_asset/asset.py b//trytond/trytond/modules/account_asset/asset.py
index cf5191f..661982a 100644
--- a//trytond/trytond/modules/account_asset/asset.py
+++ b//trytond/trytond/modules/account_asset/asset.py
@@ -745,15 +745,32 @@ class CreateMoves(Wizard):
 class UpdateAssetStart(ModelView):
     'Update Asset Start'
     __name__ = 'account.asset.update.start'
-    value = fields.Numeric('Asset Value', required=True)
-    residual_value = fields.Numeric('Residual Value', required=True)
+    value = fields.Numeric('Asset Value',
+        digits=(16, Eval('currency_digits', 2)),
+        depends=['currency_digits'], required=True)
+    residual_value = fields.Numeric('Residual Value',
+        digits=(16, Eval('currency_digits', 2)),
+        depends=['currency_digits'], required=True)
     end_date = fields.Date('End Date', required=True)
+    currency_digits = fields.Integer('Currency Digits', required=True)
+
+    @staticmethod
+    def default_currency_digits():
+        Asset = Pool().get('account.asset')
+
+        context = Transaction().context
+        active_id = context.get('active_id')
+        if active_id:
+            return Asset(active_id).currency_digits
+        return 2


 class UpdateAssetShowDepreciation(ModelView):
     'Update Asset Show Depreciation'
     __name__ = 'account.asset.update.show_depreciation'
-    amount = fields.Numeric('Amount', readonly=True)
+    amount = fields.Numeric('Amount',
+        digits=(16, Eval('currency_digits', 2)),
+        depends=['currency_digits'], readonly=True)
     date = fields.Date('Date', required=True,
         domain=[
             ('date', '>', Eval('latest_move_date')),
@@ -769,6 +786,17 @@ class UpdateAssetShowDepreciation(ModelView):
         'Depreciation Account', readonly=True)
     counterpart_account = fields.Many2One('account.account',
         'Counterpart Account')
+    currency_digits = fields.Integer('Currency Digits', required=True)
+
+    @staticmethod
+    def default_currency_digits():
+        Asset = Pool().get('account.asset')
+
+        context = Transaction().context
+        active_id = context.get('active_id')
+        if active_id:
+            return Asset(active_id).currency_digits
+        return 2


 class UpdateAsset(Wizard):