diff --git a/addons/account/edi/invoice_action_data.xml b/addons/account/edi/invoice_action_data.xml
index 04554300c38..21e64e217e4 100644
--- a/addons/account/edi/invoice_action_data.xml
+++ b/addons/account/edi/invoice_action_data.xml
@@ -43,6 +43,7 @@
             <field name="email_to">${object.address_invoice_id.email or ''}</field>
             <field name="model_id" ref="account.model_account_invoice"/>
             <field name="auto_delete" eval="True"/>
+            <field name="lang">${object.partner_id.lang}</field>
             <field name="body_html"><![CDATA[
 <div style="font-family: 'Lucica Grande', Ubuntu, Arial, Verdana, sans-serif; font-size: 12px; color: rgb(34, 34, 34); background-color: #FFF; ">
 
diff --git a/addons/purchase/edi/purchase_order_action_data.xml b/addons/purchase/edi/purchase_order_action_data.xml
index ee3c8206222..1dd426d2abd 100644
--- a/addons/purchase/edi/purchase_order_action_data.xml
+++ b/addons/purchase/edi/purchase_order_action_data.xml
@@ -41,6 +41,7 @@
             <field name="email_to">${object.partner_address_id.email}</field>
             <field name="model_id" ref="purchase.model_purchase_order"/>
             <field name="auto_delete" eval="True"/>
+            <field name="lang">${object.partner_id.lang}</field>
             <field name="body_html"><![CDATA[
 <div style="font-family: 'Lucica Grande', Ubuntu, Arial, Verdana, sans-serif; font-size: 12px; color: rgb(34, 34, 34); background-color: #FFF; ">
 
diff --git a/addons/sale/edi/sale_order_action_data.xml b/addons/sale/edi/sale_order_action_data.xml
index c11820cf9a9..c972393ed6e 100644
--- a/addons/sale/edi/sale_order_action_data.xml
+++ b/addons/sale/edi/sale_order_action_data.xml
@@ -43,6 +43,7 @@
             <field name="email_to">${object.partner_invoice_id.email}</field>
             <field name="model_id" ref="sale.model_sale_order"/>
             <field name="auto_delete" eval="True"/>
+            <field name="lang">${object.partner_id.lang}</field>
             <field name="body_html"><![CDATA[
 <div style="font-family: 'Lucica Grande', Ubuntu, Arial, Verdana, sans-serif; font-size: 12px; color: rgb(34, 34, 34); background-color: #FFF; ">