diff --git a/addons/account/account_invoice.py b/addons/account/account_invoice.py
index e8e935a9505..5f81cbfe857 100644
--- a/addons/account/account_invoice.py
+++ b/addons/account/account_invoice.py
@@ -1306,7 +1306,7 @@ class account_invoice(osv.osv):
 
     def invoice_cancel_send_note(self, cr, uid, ids, context=None):
         for obj in self.browse(cr, uid, ids, context=context):
-            self.message_post(cr, uid, [obj.id], body=_("%s <b>cancelled</b>.") % (self._get_document_type(obj.type)), subtype="cancel", context=context)
+            self.message_post(cr, uid, [obj.id], body=_("%s <b>cancelled</b>.") % (self._get_document_type(obj.type)), subtype="cancelled", context=context)
 account_invoice()
 
 class account_invoice_line(osv.osv):
diff --git a/addons/account/data/account_data.xml b/addons/account/data/account_data.xml
index fe0c864e72f..bf3b3152552 100644
--- a/addons/account/data/account_data.xml
+++ b/addons/account/data/account_data.xml
@@ -569,12 +569,12 @@
             <field name="name">paid</field>
             <field name="model_ids" eval="[(4,ref('account.model_account_invoice'))]"/>
         </record>
-        <record id="mail.mail_subtype_cancel" model="mail.message.subtype">
-            <field name="name">cancel</field>
+        <record id="mail.mail_subtype_cancelled" model="mail.message.subtype">
+            <field name="name">cancelled</field>
             <field name="model_ids" eval="[(4,ref('account.model_account_invoice'))]"/>
             <field name="default" eval="False"/>
         </record>
-		<record id="mail.mail_subtype_email" model="mail.message.subtype">
+        <record id="mail.mail_subtype_email" model="mail.message.subtype">
             <field name="model_ids" eval="[(4,ref('account.model_account_invoice')), (4,ref('analytic.model_account_analytic_account'))]"/>
         </record>
         <record id="mail.mail_subtype_comment" model="mail.message.subtype">