diff --git a/fusion-plating/fusion_plating_certificates/views/fp_certificate_views.xml b/fusion-plating/fusion_plating_certificates/views/fp_certificate_views.xml
index 096a3ac3..ce7eacf4 100644
--- a/fusion-plating/fusion_plating_certificates/views/fp_certificate_views.xml
+++ b/fusion-plating/fusion_plating_certificates/views/fp_certificate_views.xml
@@ -156,11 +156,11 @@
                         domain="[('state', '=', 'voided')]"/>
                 <separator/>
                 <filter name="filter_this_week" string="This Week"
-                        domain="[('issue_date', '>=', (context_today() - datetime.timedelta(weeks=1)).strftime('%Y-%m-%d'))]"/>
+                        domain="[('issue_date', '>=', (context_today() - relativedelta(weeks=1)).strftime('%Y-%m-%d'))]"/>
                 <filter name="filter_this_month" string="This Month"
-                        domain="[('issue_date', '>=', time.strftime('%Y-%m-01'))]"/>
+                        domain="[('issue_date', '>=', context_today().strftime('%Y-%m-01'))]"/>
                 <separator/>
-                <group expand="1" string="Group By">
+                <group>
                     <filter name="group_customer" string="Customer"
                             context="{'group_by': 'partner_id'}"/>
                     <filter name="group_type" string="Type"