diff --git a/telegraf/files/input/openstack.conf b/telegraf/files/input/openstack.conf
index aca2cf3..663343e 100644
--- a/telegraf/files/input/openstack.conf
+++ b/telegraf/files/input/openstack.conf
@@ -5,3 +5,4 @@
   password = "{{ values.password }}"
   identity_endpoint = "{{ values.identity_endpoint }}"
   monitor_agents = {{ values.monitor_agents|default("true")|lower }}
+  cpu_ratio = {{ values.cpu_ratio|default(1.0) }}