diff --git a/addons/mass_mailing/views/mailing_mailing_views.xml b/addons/mass_mailing/views/mailing_mailing_views.xml
index ec6475a253d..f0003683b90 100644
--- a/addons/mass_mailing/views/mailing_mailing_views.xml
+++ b/addons/mass_mailing/views/mailing_mailing_views.xml
@@ -139,7 +139,7 @@
                             <field name="active" invisible="1"/>
                             <field name="mailing_type" widget="radio" options="{'horizontal': true}" invisible="1"
                                 attrs="{'readonly': [('state', 'in', ('sending', 'done'))]}"/>
-                            <field name="subject" string="Subject" attrs="{'readonly': [('state', 'in', ('sending', 'done'))]}"/>
+                            <field name="subject" string="Subject" attrs="{'readonly': [('state', 'in', ('sending', 'done'))]}" widget="char_emojis"/>
                             <label for="mailing_model_id" string="Recipients"/>
                             <div name="mailing_model_id_container">
                                 <div class="row">