diff --git a/addons/mrp/res_config_view.xml b/addons/mrp/res_config_view.xml
index 2d55ec60d52..d5b7147ee8b 100644
--- a/addons/mrp/res_config_view.xml
+++ b/addons/mrp/res_config_view.xml
@@ -10,7 +10,7 @@
                     <header>
                         <button string="Apply" type="object" name="execute" class="oe_highlight_on_dirty"/>
                         or
-                        <button string="Cancel" type="object" name="cancel" class="oe_link" class="oe_link"/>
+                        <button string="Cancel" type="object" name="cancel" class="oe_link"/>
                     </header>
                     <sheet>
                         <group string="Manufacturing Order">