diff --git a/CHANGELOG.md b/CHANGELOG.md
index 29db21b0d..cce40fd35 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -106,6 +106,7 @@
 - [#3957](https://github.com/influxdata/telegraf/issues/3957): Fix parsing of dos line endings in the smart input.
 - [#3754](https://github.com/influxdata/telegraf/issues/3754): Fix precision truncation when no timestamp included.
 - [#3655](https://github.com/influxdata/telegraf/issues/3655): Fix SNMPv3 connection with Cisco ASA 5515 in snmp input.
+- [#3981](https://github.com/influxdata/telegraf/pull/3981): Export all vars defined in /etc/default/telegraf.
 
 ## v1.5.3 [2018-03-14]