diff --git a/modules/production/view/bom_form.xml b/modules/production/view/bom_form.xml
index cd891e7fda..11185ac4e1 100644
--- a/modules/production/view/bom_form.xml
+++ b/modules/production/view/bom_form.xml
@@ -8,7 +8,7 @@ this repository contains the full copyright notices and license terms. -->
     <field name="code"/>
     <label name="active"/>
     <field name="active" xexpand="0" width="100"/>
-    <notebook>
+    <notebook colspan="6">
         <page string="Lines" id="lines" col="2">
             <field name="inputs"/>
             <field name="outputs"/>