diff --git a/addons/account/account.py b/addons/account/account.py
index ab0aa51c592..6703985b423 100644
--- a/addons/account/account.py
+++ b/addons/account/account.py
@@ -584,7 +584,7 @@ class account_period(osv.osv):
             if obj_period.fiscalyear_id.date_stop < obj_period.date_stop or obj_period.fiscalyear_id.date_stop < obj_period.date_start or obj_period.fiscalyear_id.date_start > obj_period.date_start or obj_period.fiscalyear_id.date_start > obj_period.date_stop:
                 return False
 
-            pids = self.search(cr, uid, [('date_stop','>=',obj_period.date_start),('date_stop','<=',obj_period.date_start),('special','=',False),('id','<>',obj_period.id)])
+            pids = self.search(cr, uid, [('date_stop','>=',obj_period.date_start),('date_start','<=',obj_period.date_stop),('special','=',False),('id','<>',obj_period.id)])
             for period in self.browse(cr, uid, pids):
                 if period.fiscalyear_id.company_id.id==obj_period.fiscalyear_id.company_id.id:
                     return False
diff --git a/addons/account/account_view.xml b/addons/account/account_view.xml
index a120855e73e..971a5870c48 100644
--- a/addons/account/account_view.xml
+++ b/addons/account/account_view.xml
@@ -25,6 +25,7 @@
                             <field name="code" select="1"/>
                             <field name="date_start"/>
                             <field name="date_stop"/>
+                            <field name="special"/>
                         </form>
                     </field>
                     <separator colspan="4" string="States"/>
@@ -75,6 +76,7 @@
                     <field name="date_start"/>
                     <field name="date_stop"/>
                     <field name="fiscalyear_id"/>
+                    <field name="special"/>
                     <separator colspan="4" string="States"/>
                     <field name="state" select="1"/>
                     <button name="action_draft" states="done" string="Set to Draft" type="object"/>
@@ -91,6 +93,7 @@
                     <field name="name"/>
                     <field name="date_start"/>
                     <field name="date_stop"/>
+                    <field name="special"/>
                     <field name="state"/>
                 </tree>
             </field>