diff --git a/addons/idea/idea.py b/addons/idea/idea.py
index e33c9b99014..f8346ec2bba 100644
--- a/addons/idea/idea.py
+++ b/addons/idea/idea.py
@@ -67,21 +67,21 @@ class idea_idea(osv.osv):
 
     def idea_cancel(self, cr, uid, ids, context={}):
         self.write(cr, uid, ids, { 'state': 'cancel' })
-        self.message_post(cr, uid, ids, body=_('Idea cancelled.'), subtype="cancelled", context=context)
+        self.message_post(cr, uid, ids, body=_('Idea cancelled.'), subtype_xml_id="idea_subtype_cancelled", context=context)
         return True
 
     def idea_open(self, cr, uid, ids, context={}):
         self.write(cr, uid, ids, { 'state': 'open'})
-        self.message_post(cr, uid, ids, body=_('Idea accepted.'), subtype="open", context=context)
+        self.message_post(cr, uid, ids, body=_('Idea accepted.'), subtype_xml_id="idea_subtype_open", context=context)
         return True
 
     def idea_close(self, cr, uid, ids, context={}):
-        self.message_post(cr, uid, ids, body=_('Idea closed.'), subtype="closed", context=context)
+        self.message_post(cr, uid, ids, body=_('Idea closed.'), subtype_xml_id="idea_subtype_closed", context=context)
         self.write(cr, uid, ids, { 'state': 'close' })
         return True
 
     def idea_draft(self, cr, uid, ids, context={}):
-        self.message_post(cr, uid, ids, body=_('Idea reset to draft.'), subtype="new", context=context)
+        self.message_post(cr, uid, ids, body=_('Idea reset to draft.'), subtype_xml_id="idea_subtype_new", context=context)
         self.write(cr, uid, ids, { 'state': 'draft' })
         return True
 idea_idea()
diff --git a/addons/idea/idea_data.xml b/addons/idea/idea_data.xml
index 36ccf2e992e..b4f3f70d2dd 100644
--- a/addons/idea/idea_data.xml
+++ b/addons/idea/idea_data.xml
@@ -17,32 +17,23 @@
         </record>
 
         <!-- SUBTYPE -->
-        <record id="mail.mail_subtype_new" model="mail.message.subtype">
+        <record id="mail.idea_subtype_new" model="mail.message.subtype">
             <field name="name">new</field>
-            <field name="model_ids" eval="[(4,ref('idea.model_idea_idea'))]"/>
+            <field name="res_model">idea.idea</field>
             <field name="default" eval="False"/>
         </record>
-        <record id="mail.mail_subtype_open" model="mail.message.subtype">
+        <record id="mail.idea_subtype_open" model="mail.message.subtype">
             <field name="name">open</field>
-            <field name="model_ids" eval="[(4,ref('idea.model_idea_idea'))]"/>
+            <field name="res_model">idea.idea</field>
         </record>
-        <record id="mail.mail_subtype_cancelled" model="mail.message.subtype">
+        <record id="mail.idea_subtype_cancelled" model="mail.message.subtype">
             <field name="name">cancelled</field>
-            <field name="model_ids" eval="[(4,ref('idea.model_idea_idea'))]"/>
+            <field name="res_model">idea.idea</field>
             <field name="default" eval="False"/>
         </record>
-        <record id="mail.mail_subtype_closed" model="mail.message.subtype">
+        <record id="mail.idea_subtype_closed" model="mail.message.subtype">
             <field name="name">closed</field>
-            <field name="model_ids" eval="[(4,ref('idea.model_idea_idea'))]"/>
-        </record>
-        <record id="mail.mail_subtype_email" model="mail.message.subtype">
-            <field name="model_ids" eval="[(4,ref('idea.model_idea_idea'))]"/>
-        </record>
-        <record id="mail.mail_subtype_comment" model="mail.message.subtype">
-            <field name="model_ids" eval="[(4,ref('idea.model_idea_idea'))]"/>
-        </record>
-        <record id="mail.mail_subtype_other" model="mail.message.subtype">
-            <field name="model_ids" eval="[(4,ref('idea.model_idea_idea'))]"/>
+            <field name="res_model">idea.idea</field>
         </record>
     </data>
 </openerp>