fix of parameter
diff --git a/collectd/files/collectd_ping.conf b/collectd/files/collectd_ping.conf
index 1585deb..5c2687c 100644
--- a/collectd/files/collectd_ping.conf
+++ b/collectd/files/collectd_ping.conf
@@ -2,6 +2,6 @@
 
 {%- for data_name, data in plugin.data.iteritems() %}
 <Plugin "ping">
-  Host "{{ data_name }}"
+  Host "{{ data.host }}"
 </Plugin>
 {%- endfor %}