diff --git a/CHANGELOG.md b/CHANGELOG.md
index a80dd5460..b8b3a2fdc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -68,6 +68,7 @@
 
 - [#3729](https://github.com/influxdata/telegraf/issues/3729): Set path to / if HOST_MOUNT_PREFIX matches full path.
 - [#3739](https://github.com/influxdata/telegraf/issues/3739): Remove userinfo from url tag in prometheus input.
+- [#3778](https://github.com/influxdata/telegraf/issues/3778): Fix ping plugin not reporting zero durations.
 
 ## v1.5.2 [2018-01-30]