diff --git a/addons/mrp/mrp_view.xml b/addons/mrp/mrp_view.xml
index 000ae6cbcf2..a2249ca4925 100644
--- a/addons/mrp/mrp_view.xml
+++ b/addons/mrp/mrp_view.xml
@@ -680,7 +680,7 @@
                             <button name="action_compute" states="draft"
                                 string="Compute Data" type="object"
                                 icon="terp-stock_format-scientific"
-                                colspan="4" />
+                                colspan="2" />
                             <field colspan="4" name="workcenter_lines" nolabel="1">
                                 <form string="Production Work Centers">
                                     <field colspan="4" name="name"/>
@@ -702,7 +702,7 @@
                             <button name="action_compute" states="draft"
                                 string="Compute Data" type="object"
                                 icon="terp-stock_format-scientific"
-                                colspan="4" />
+                                colspan="2" />
                             <field colspan="4" name="product_lines" nolabel="1" widget="one2many_list"/>
                         </page>
                         <page string="Extra Information">