diff --git a/core/dnsserver/zdirectives.go b/core/dnsserver/zdirectives.go
index 3b44e474a..82f26fe71 100644
--- a/core/dnsserver/zdirectives.go
+++ b/core/dnsserver/zdirectives.go
@@ -41,6 +41,7 @@ var Directives = []string{
 	"proxy",
 	"erratic",
 	"whoami",
+	"on",
 	"startup",
 	"shutdown",
 }
diff --git a/core/plugin/zplugin.go b/core/plugin/zplugin.go
index 478746455..8c8b92a46 100644
--- a/core/plugin/zplugin.go
+++ b/core/plugin/zplugin.go
@@ -35,5 +35,6 @@ import (
 	_ "github.com/coredns/coredns/plugin/tls"
 	_ "github.com/coredns/coredns/plugin/trace"
 	_ "github.com/coredns/coredns/plugin/whoami"
+	_ "github.com/mholt/caddy/onevent"
 	_ "github.com/mholt/caddy/startupshutdown"
 )
diff --git a/plugin.cfg b/plugin.cfg
index 77fdc282d..06e1de5f4 100644
--- a/plugin.cfg
+++ b/plugin.cfg
@@ -50,5 +50,6 @@ etcd:etcd
 proxy:proxy
 erratic:erratic
 whoami:whoami
+on:github.com/mholt/caddy/onevent
 startup:github.com/mholt/caddy/startupshutdown
 shutdown:github.com/mholt/caddy/startupshutdown