diff --git a/dev-upgrade/elastic/logstash.yml b/dev-upgrade/elastic/logstash.yml
index 7b8dca3..9189cd5 100644
--- a/dev-upgrade/elastic/logstash.yml
+++ b/dev-upgrade/elastic/logstash.yml
@@ -18,7 +18,7 @@ data:
       }   
       mutate {
         split => { "[log][file][path]" => "/" }
-        add_field => { "env" => "%{[log][file][path][2]}" }
+        add_field => { "env" => "%{[log][file][path][3]}" }
       }
     }