diff --git a/bin/addons/base/base.sql b/bin/addons/base/base.sql
index ad9deada1f3fc61a572a35f5a692e1e44507fe23..71bfda541c47ab6116d717555827958cebea512c 100644
--- a/bin/addons/base/base.sql
+++ b/bin/addons/base/base.sql
@@ -330,7 +330,7 @@ CREATE TABLE ir_model_data (
 -- Users
 ---------------------------------
 
-insert into res_users (id,login,password,name,active,company_id) values (1,'admin','admin','Administrator',True,1);
+insert into res_users (id,login,password,name,active,company_id,context_lang) values (1,'admin','admin','Administrator',True,1,'en_US');
 insert into ir_model_data (name,module,model,noupdate,res_id) values ('user_root','base','res.users',True,1);
 
 -- Compatibility purpose, to remove V6.0