diff --git a/telegraf/files/input/openstack.conf b/telegraf/files/input/openstack.conf
index 5680798..c3d111d 100644
--- a/telegraf/files/input/openstack.conf
+++ b/telegraf/files/input/openstack.conf
@@ -4,6 +4,9 @@
   username = "{{ values.username }}"
   password = "{{ values.password }}"
   identity_endpoint = "{{ values.identity_endpoint }}"
+{%- if values.domain is defined %}
+  domain = "{{ values.domain }}"
+{%- endif %}
 {%- if values.region is defined %}
   region = "{{ values.region }}"
 {%- endif %}