diff --git a/tryton.cfg b/tryton.cfg
index 346fb8e431..f7dad6b388 100644
--- a/tryton.cfg
+++ b/tryton.cfg
@@ -8,7 +8,7 @@ depends:
     res
     sale
     stock
-extras_depends:
+extras_depend:
     sale_promotion
 xml:
     sale.xml