diff --git a/addons/account/res_config_view.xml b/addons/account/res_config_view.xml
index 41a0b121735..3ad57ed1350 100644
--- a/addons/account/res_config_view.xml
+++ b/addons/account/res_config_view.xml
@@ -17,7 +17,7 @@
             <field name="arch" type="xml">
                 <form string="Configure Accounting" layout="manual">
                     <header>
-                        <button string="Apply" type="object" name="execute"/>
+                        <button string="Apply" type="object" name="execute" class="oe_form_button_hi"/>
                         <button string="Cancel" special="cancel"/>
                     </header>
                     <sheet layout="auto">
diff --git a/addons/base_setup/base_setup_views.xml b/addons/base_setup/base_setup_views.xml
index 0692b4f651c..4955a185771 100644
--- a/addons/base_setup/base_setup_views.xml
+++ b/addons/base_setup/base_setup_views.xml
@@ -47,7 +47,7 @@
         <field name="arch" type="xml">
             <form string="Configure Sales" layout="manual">
                 <header>
-                    <button string="Apply" type="object" name="execute"/>
+                    <button string="Apply" type="object" name="execute" class="oe_form_button_hi"/>
                     <button string="Cancel" special="cancel"/>
                 </header>
                 <sheet layout="auto">
diff --git a/addons/base_setup/res_config_view.xml b/addons/base_setup/res_config_view.xml
index ccf231924fe..0902793a52d 100644
--- a/addons/base_setup/res_config_view.xml
+++ b/addons/base_setup/res_config_view.xml
@@ -8,7 +8,7 @@
             <field name="arch" type="xml">
                 <form string="General Settings" layout="manual">
                     <header>
-                        <button string="Apply" type="object" name="execute"/>
+                        <button string="Apply" type="object" name="execute" class="oe_form_button_hi"/>
                         <button string="Cancel" special="cancel"/>
                     </header>
                     <sheet layout="auto">
diff --git a/addons/hr/res_config_view.xml b/addons/hr/res_config_view.xml
index e6b55ba45f0..3de77398071 100644
--- a/addons/hr/res_config_view.xml
+++ b/addons/hr/res_config_view.xml
@@ -16,7 +16,7 @@
             <field name="arch" type="xml">
                 <form string ="Configure Human Resources" layout="manual">
                     <header>
-                        <button string="Apply" type="object" name="execute"/>
+                        <button string="Apply" type="object" name="execute" class="oe_form_button_hi"/>
                         <button string="Cancel" special="cancel"/>
                     </header>
                     <sheet layout="auto">
diff --git a/addons/knowledge/res_config_view.xml b/addons/knowledge/res_config_view.xml
index d1debeaf562..8fda1fe42f8 100644
--- a/addons/knowledge/res_config_view.xml
+++ b/addons/knowledge/res_config_view.xml
@@ -8,7 +8,7 @@
             <field name="arch" type="xml">
                 <form string="Configure Knowledge" layout="manual">
                     <header>
-                        <button string="Apply" type="object" name="execute"/>
+                        <button string="Apply" type="object" name="execute" class="oe_form_button_hi"/>
                         <button string="Cancel" special="cancel"/>
                     </header>
                     <sheet layout="auto">
diff --git a/addons/marketing/res_config_view.xml b/addons/marketing/res_config_view.xml
index 7a36956a9dc..78584fa4f09 100644
--- a/addons/marketing/res_config_view.xml
+++ b/addons/marketing/res_config_view.xml
@@ -8,7 +8,7 @@
             <field name="arch" type="xml">
                 <form string="Configure Marketing" layout="manual">
                     <header>
-                        <button string="Apply" type="object" name="execute"/>
+                        <button string="Apply" type="object" name="execute" class="oe_form_button_hi"/>
                         <button string="Cancel" special="cancel"/>
                     </header>
                     <sheet layout="auto">
diff --git a/addons/mrp/res_config_view.xml b/addons/mrp/res_config_view.xml
index 258fe4f8356..bfc69902020 100644
--- a/addons/mrp/res_config_view.xml
+++ b/addons/mrp/res_config_view.xml
@@ -8,7 +8,7 @@
             <field name="arch" type="xml">
                 <form string="Configure Manufacturing" layout="manual">
                     <header>
-                        <button string="Apply" type="object" name="execute"/>
+                        <button string="Apply" type="object" name="execute" class="oe_form_button_hi"/>
                         <button string="Cancel" special="cancel"/>
                     </header>
                     <sheet layout="auto">
diff --git a/addons/project/res_config_view.xml b/addons/project/res_config_view.xml
index 4914ff26e88..6d00f8e750c 100644
--- a/addons/project/res_config_view.xml
+++ b/addons/project/res_config_view.xml
@@ -9,7 +9,7 @@
             <field name="arch" type="xml">
                 <form string="Configure Project" layout="manual">
                     <header>
-                        <button string="Apply" type="object" name="execute"/>
+                        <button string="Apply" type="object" name="execute" class="oe_form_button_hi"/>
                         <button string="Cancel" special="cancel"/>
                     </header>
                     <sheet layout="auto">
diff --git a/addons/purchase/res_config_view.xml b/addons/purchase/res_config_view.xml
index 575863fddc4..44bdac6189f 100644
--- a/addons/purchase/res_config_view.xml
+++ b/addons/purchase/res_config_view.xml
@@ -8,7 +8,7 @@
             <field name="arch" type="xml">
                 <form string="Configure Purchases" layout="manual">
                     <header>
-                        <button string="Apply" type="object" name="execute"/>
+                        <button string="Apply" type="object" name="execute" class="oe_form_button_hi"/>
                         <button string="Cancel" special="cancel"/>
                     </header>
                     <sheet layout="auto">
diff --git a/addons/stock/res_config_view.xml b/addons/stock/res_config_view.xml
index 7d17d9eec50..558d62e6527 100644
--- a/addons/stock/res_config_view.xml
+++ b/addons/stock/res_config_view.xml
@@ -9,7 +9,7 @@
             <field name="arch" type="xml">
                 <form string ="Configure Warehouse" layout="manual">
                     <header>
-                        <button string="Apply" type="object" name="execute"/>
+                        <button string="Apply" type="object" name="execute" class="oe_form_button_hi"/>
                         <button string="Cancel" special="cancel"/>
                     </header>
                     <sheet layout="auto">