--- config/logstash.yml.orig	2018-03-09 15:21:48 UTC
+++ config/logstash.yml
@@ -61,7 +61,7 @@
 #
 # Where to fetch the pipeline configuration for the main pipeline
 #
-# path.config:
+path.config: %%ETCDIR%%/logstash.conf
 #
 # Pipeline configuration string for the main pipeline
 #