diff --git a/blog.xml b/blog.xml
index b53ab09..e7b690f 100644
--- a/blog.xml
+++ b/blog.xml
@@ -35,7 +35,9 @@
         <record model="ir.action.act_window" id="act_blog_post_comment_form2">
             <field name="name">Comments</field>
             <field name="res_model">galatea.blog.comment</field>
-            <field name="domain">[("post", 'in', Eval('active_ids'))]</field>
+            <field name="domain"
+                eval="[('post', 'in', Eval('active_ids'))]"
+                pyson="1"/>
         </record>
         <record model="ir.action.keyword" id="act_open_blog_post_comment_keyword1">
             <field name="keyword">form_relate</field>