diff --git a/addons/base_setup/res_config_view.xml b/addons/base_setup/res_config_view.xml
index 4b5a4b0344b..0ad8bc45335 100644
--- a/addons/base_setup/res_config_view.xml
+++ b/addons/base_setup/res_config_view.xml
@@ -57,7 +57,8 @@
                 <form string="Configure Sales" version="7.0">
                     <header>
                         <button string="Apply" type="object" name="execute" class="oe_highlight_on_dirty"/>
-                        <button string="Cancel" type="object" name="cancel"/>
+                        or
+                        <button string="Cancel" type="object" name="cancel" class="oe_link"/>
                     </header>
                     <sheet>
                         <field name="module_crm" invisible="1"/>
diff --git a/addons/knowledge/res_config_view.xml b/addons/knowledge/res_config_view.xml
index 7da1ecbe350..a478d044266 100644
--- a/addons/knowledge/res_config_view.xml
+++ b/addons/knowledge/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>
diff --git a/addons/marketing/res_config_view.xml b/addons/marketing/res_config_view.xml
index f7a5f3ca709..92e653f182b 100644
--- a/addons/marketing/res_config_view.xml
+++ b/addons/marketing/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>
                     <group string="Campaigns">