diff --git a/addons/membership/membership_demo.xml b/addons/membership/membership_demo.xml
index 852a9dbf2e0..fd7d3f29afb 100644
--- a/addons/membership/membership_demo.xml
+++ b/addons/membership/membership_demo.xml
@@ -42,8 +42,13 @@
 
     <function model="res.partner" name="create_membership_invoice" eval="(ref('base.res_partner_18'), ref('membership_1'), {'amount':180})"/>
     <function model="res.partner" name="create_membership_invoice" eval="(ref('base.res_partner_21'), ref('membership_1'), {'amount':180})"/>
+    <function model="res.partner" name="create_membership_invoice" eval="(ref('base.res_partner_22'), ref('membership_1'), {'amount':180})"/>
+    <function model="res.partner" name="create_membership_invoice" eval="(ref('base.res_partner_23'), ref('membership_1'), {'amount':180})"/>
 
     <function model="res.partner" name="create_membership_invoice" eval="(ref('base.res_partner_9'), ref('membership_2'), {'amount':180})"/>
+    <function model="res.partner" name="create_membership_invoice" eval="(ref('base.res_partner_11'), ref('membership_2'), {'amount':180})"/>
+    <function model="res.partner" name="create_membership_invoice" eval="(ref('base.res_partner_5'), ref('membership_2'), {'amount':180})"/>
+    <function model="res.partner" name="create_membership_invoice" eval="(ref('base.res_partner_3'), ref('membership_2'), {'amount':180})"/>
 
     <!-- Demo data for free member -->
     <record id="base.res_partner_18" model="res.partner">