diff --git a/trytond/ir/action.xml b/trytond/ir/action.xml
index 85b1e357e0..ed58bb6c6a 100644
--- a/trytond/ir/action.xml
+++ b/trytond/ir/action.xml
@@ -161,12 +161,12 @@ this repository contains the full copyright notices and license terms. -->
             <field name="type">form</field>
             <field name="arch" type="xml">
               <![CDATA[
-                <form string="Open a Window" col="6">
+                <form string="Open a Window">
                     <label name="name"/>
-                    <field name="name" colspan="3"/>
+                    <field name="name"/>
                     <label name="active"/>
                     <field name="active" xexpand="0" width="100"/>
-                    <notebook colspan="6">
+                    <notebook colspan="4">
                         <page string="General" id="general" col="6">
                             <label name="res_model"/>
                             <field name="res_model"/>