diff --git a/addons/mass_mailing/static/src/js/mass_mailing_widget.js b/addons/mass_mailing/static/src/js/mass_mailing_widget.js
index d0c16fa4a36..acd2c6dacc1 100644
--- a/addons/mass_mailing/static/src/js/mass_mailing_widget.js
+++ b/addons/mass_mailing/static/src/js/mass_mailing_widget.js
@@ -137,6 +137,13 @@ var MassMailingFieldHtml = FieldHtml.extend({
         }
         return this._super.apply(this, arguments);
     },
+    /**
+     * @override
+     */
+    _renderReadonly: function () {
+        this.value = this.recordData[this.nodeOptions['inline-field']];
+        return this._super.apply(this, arguments);
+    },
 
     /**
      * @override
diff --git a/addons/mass_mailing/views/mailing_mailing_views.xml b/addons/mass_mailing/views/mailing_mailing_views.xml
index f1d9bd8e630..7d26cce71be 100644
--- a/addons/mass_mailing/views/mailing_mailing_views.xml
+++ b/addons/mass_mailing/views/mailing_mailing_views.xml
@@ -168,19 +168,14 @@
                         </group>
                         <notebook>
                             <page string="Mail Body" name="mail_body">
-                                <div attrs="{'invisible': [('state', 'in', ('sending', 'done'))]}">
-                                    <field name="body_html" class="oe_read_only" widget="html"
-                                        options="{'cssReadonly': 'mass_mailing.iframe_css_assets_readonly'}"/>
-                                    <field name="body_arch" class="o_mail_body oe_edit_only" widget="mass_mailing_html"
-                                        options="{
-                                            'snippets': 'mass_mailing.email_designer_snippets',
-                                            'cssEdit': 'mass_mailing.iframe_css_assets_edit',
-                                            'inline-field': 'body_html'
-                                    }"/>
-                                </div>
-                                <div attrs="{'invisible': [('state', 'not in', ('sending', 'done'))]}">
-                                        <field name="body_html" attrs="{'readonly': [('state', 'in', ('sending', 'done'))]}"/>
-                                </div>
+                                <field name="body_html" class="oe_read_only" widget="html"
+                                    options="{'cssReadonly': 'mass_mailing.iframe_css_assets_readonly'}"/>
+                                <field name="body_arch" class="o_mail_body oe_edit_only" widget="mass_mailing_html"
+                                    options="{
+                                        'snippets': 'mass_mailing.email_designer_snippets',
+                                        'cssEdit': 'mass_mailing.iframe_css_assets_edit',
+                                        'inline-field': 'body_html'
+                                }" attrs="{'readonly': [('state', 'in', ('sending', 'done'))]}"/>
                             </page>
                             <page string="Settings">
                                 <group>