diff --git a/scripts/change_url b/scripts/change_url
index 253ae88..5687b92 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -29,6 +29,7 @@ ynh_script_progression --message="Loading installation settings..." --weight=1
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 data_path=$(ynh_app_setting_get --app=$app --key=data_path)
 db_name=$(ynh_app_setting_get --app=$app --key=db_name)
+db_user=$db_name
 db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)
 
 #=================================================