diff --git a/addons/account_asset/account_asset.py b/addons/account_asset/account_asset.py
index 0b6f5b7feac..97aec1d8487 100644
--- a/addons/account_asset/account_asset.py
+++ b/addons/account_asset/account_asset.py
@@ -309,7 +309,7 @@ class account_asset_asset(osv.osv):
         period_obj = self.pool.get('account.period')
         depreciation_obj = self.pool.get('account.asset.depreciation.line')
         period = period_obj.browse(cr, uid, period_id, context=context)
-        depreciation_ids = depreciation_obj.search(cr, uid, [('asset_id', 'in', ids), ('depreciation_date', '<', period.date_stop), ('depreciation_date', '>', period.date_start), ('move_check', '=', False)], context=context)
+        depreciation_ids = depreciation_obj.search(cr, uid, [('asset_id', 'in', ids), ('depreciation_date', '<=', period.date_stop), ('depreciation_date', '>=', period.date_start), ('move_check', '=', False)], context=context)
         return depreciation_obj.create_move(cr, uid, depreciation_ids, context=context)
 
     def create(self, cr, uid, vals, context=None):
diff --git a/addons/account_asset/account_asset_demo.xml b/addons/account_asset/account_asset_demo.xml
index 77185081848..f81f3b7a63a 100644
--- a/addons/account_asset/account_asset_demo.xml
+++ b/addons/account_asset/account_asset_demo.xml
@@ -63,7 +63,7 @@
             <field name="state">open</field>
             <field eval="12" name="method_period"/>
             <field eval="20" name="method_number"/>
-            <field name="purchase_date">2011-01-01</field>
+            <field name="purchase_date">2012-01-01</field>
             <field name="name">Office</field>
             <field eval="500000.0" name="purchase_value"/>
             <field name="category_id" ref="account_asset_category_fixedassets0"/>