diff --git a/conf.d/11-firewall.conf b/conf.d/11-firewall.conf
index 9998bd49495d18b344d41e966f52da836f252632..efcf07472133f819ce3c7eaa99274bfc1f98e3a3 100644
--- a/conf.d/11-firewall.conf
+++ b/conf.d/11-firewall.conf
@@ -94,7 +94,6 @@ filter {
     }
     mutate {
       add_field => { "[event][dataset]" => "firewall"}
-      rename => { "[message]" => "[event][original]"}
       update => { "[network][direction]" => "%{[network][direction]}bound" }
       update => { "[network][type]" => "ipv%{[network][type]}" }
     }