diff --git a/addons/l10n_ca/data/account_tax_data.xml b/addons/l10n_ca/data/account_tax_data.xml
index 864f8402fb1..d936dc451c4 100644
--- a/addons/l10n_ca/data/account_tax_data.xml
+++ b/addons/l10n_ca/data/account_tax_data.xml
@@ -110,7 +110,7 @@
         <field name="type_tax_use">sale</field>
         <field name="amount">100</field>
         <field name="amount_type">group</field>
-        <field name="children_tax_ids" eval="[(6,0,[ref('pst_bc_sale_en')])]"/>
+        <field name="children_tax_ids" eval="[(6,0,[ref('pst_bc_sale_en'), ref('gstpst_sale_bc_gst_en')])]"/>
         <field name="tag_ids" eval="[(6,0,[ref('tag_gstpst_bc_sale')])]"/>
     </record>