diff --git a/addons/mail/wizard/mail_compose_message_view.xml b/addons/mail/wizard/mail_compose_message_view.xml
index ce86e0bacfd..356fbb35bfd 100644
--- a/addons/mail/wizard/mail_compose_message_view.xml
+++ b/addons/mail/wizard/mail_compose_message_view.xml
@@ -52,6 +52,7 @@
res_model="mail.compose.message"
src_model="res.partner"
view_mode="form"
+ multi="True"
target="new"
key2="client_action_multi"
id="base.action_partner_mass_mail"
diff --git a/addons/membership/wizard/membership_invoice_view.xml b/addons/membership/wizard/membership_invoice_view.xml
index bfb687d893c..c629f747b2f 100644
--- a/addons/membership/wizard/membership_invoice_view.xml
+++ b/addons/membership/wizard/membership_invoice_view.xml
@@ -32,7 +32,7 @@
diff --git a/addons/portal/wizard/portal_wizard_view.xml b/addons/portal/wizard/portal_wizard_view.xml
index 373b4ad8e7a..fcc9bb638cc 100644
--- a/addons/portal/wizard/portal_wizard_view.xml
+++ b/addons/portal/wizard/portal_wizard_view.xml
@@ -5,7 +5,7 @@