diff --git a/addons/mass_mailing_sms/views/mailing_mailing_views.xml b/addons/mass_mailing_sms/views/mailing_mailing_views.xml
index f4c5b2b0b21..2524407d082 100644
--- a/addons/mass_mailing_sms/views/mailing_mailing_views.xml
+++ b/addons/mass_mailing_sms/views/mailing_mailing_views.xml
@@ -101,6 +101,12 @@
                 <attribute name="invisible">mailing_type != 'mail' or state in ('draft', 'test')</attribute>
             </xpath>
             <!-- Form -->
+            <xpath expr="//label[@for='subject']" position="attributes">
+                <attribute name="invisible">mailing_type != 'mail'</attribute>
+            </xpath>
+            <xpath expr="//label[@for='subject']" position="after">
+                <label for="sms_subject" invisible="mailing_type != 'sms'"/>
+            </xpath>
             <xpath expr="//field[@name='subject']" position="attributes">
                 <attribute name="invisible">mailing_type != 'mail'</attribute>
                 <attribute name="readonly">state in ('sending', 'done')</attribute>