diff --git a/hy_odoo/xml.hy b/hy_odoo/xml.hy
index 04b3ef4..20f7310 100644
--- a/hy_odoo/xml.hy
+++ b/hy_odoo/xml.hy
@@ -61,9 +61,10 @@
   "Write XML file according to filename and given tree"
   `(do
      (import [os [path]]
-             [xml.etree.ElementTree :as ET])
+             [xml.etree.ElementTree :as ET]
+             [xml.dom [minidom]])
      (if-python2
-       (setv ~g!output-xml (.tostring ET ~tree))
+       (setv ~g!output-xml (.toprettyxml :indent "  " (.parseString minidom (.tostring ET ~tree))))
        (setv ~g!output-xml (.decode (.tostring ET ~tree) "utf-8")))
      (setv ~g!output-path (.dirname path (.abspath path __file__))
            ~g!fpath (+ ~g!output-path "/" ~filename))