diff --git a/README.md b/README.md
index 6499fac..a362716 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,7 @@ odoo_service: odoo
 odoo_version: 8.0
 odoo_user: odoo
 odoo_user_passwd: odoo
+odoo_user_system: False
 odoo_logdir: "/var/log/{{ odoo_user }}"
 odoo_workdir: "/home/{{ odoo_user }}/odoo"
 odoo_rootdir: "/home/{{ odoo_user }}/odoo/server"
diff --git a/defaults/main.yml b/defaults/main.yml
index b8a337b..faea2c6 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -2,6 +2,7 @@ odoo_service: odoo
 odoo_version: 8.0
 odoo_user: odoo
 odoo_user_passwd: odoo
+odoo_user_system: False
 odoo_logdir: "/var/log/{{ odoo_user }}"
 odoo_workdir: "/home/{{ odoo_user }}/odoo"
 odoo_rootdir: "/home/{{ odoo_user }}/odoo/server"
diff --git a/tasks/main.yml b/tasks/main.yml
index 80309e3..be400bd 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -24,6 +24,7 @@
 - name: Add Odoo system user
   user: name={{ odoo_user }} shell=/bin/bash
         password={{ odoo_user_passwd }} update_password=on_create
+        system={{ odoo_user_system }}
   tags:
     - odoo
     - odoo_user