diff --git a/.tx/config b/.tx/config
index d6d5d0191..b8f5182e6 100644
--- a/.tx/config
+++ b/.tx/config
@@ -47,3 +47,7 @@ file_filter = locale/<lang>/LC_MESSAGES/expenses.po
 source_file = locale/sources/expenses.pot
 source_lang = en
 
+[odoo-9-doc.sales]
+file_filter = locale/<lang>/LC_MESSAGES/sales.po
+source_file = locale/sources/sales.pot
+source_lang = en