diff --git a/addons/project_issue/project_issue.py b/addons/project_issue/project_issue.py
index 90697d4bb80..2b81306c6d2 100644
--- a/addons/project_issue/project_issue.py
+++ b/addons/project_issue/project_issue.py
@@ -443,6 +443,7 @@ class project_issue(crm.crm_case, osv.osv):
             vals.update(custom_values)
 
         res_id = self.create(cr, uid, vals, context)
+        self.write(cr, uid, [res_id], {'message_state':'unread'}, context)
         self.message_append_dict(cr, uid, [res_id], msg, context=context)
         self.convert_to_bug(cr, uid, [res_id], context=context)
         return res_id
@@ -481,6 +482,7 @@ class project_issue(crm.crm_case, osv.osv):
 
         vals.update(vls)
         res = self.write(cr, uid, ids, vals)
+        self.write(cr, uid, ids, {'message_state':'unread'}, context)
         self.message_append_dict(cr, uid, ids, msg, context=context)
         return res