diff --git a/README.md b/README.md
index c53d33d08e..19dda845c3 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,7 @@ textfile | Exposes statistics read from local disk. The `--collector.textfile.di
 time | Exposes the current system time. | _any_
 vmstat | Exposes statistics from `/proc/vmstat`. | Linux
 version | Exposes node\_exporter version. | _any_
-
+zfs | Exposes [ZFS](http://open-zfs.org/) performance statistics (ARC-only for now) | [FreeBSD](https://www.freebsd.org/doc/handbook/zfs.html),[Linux](http://zfsonlinux.org/)
 
 ### Disabled by default
 
diff --git a/node_exporter.go b/node_exporter.go
index 4f64663ff1..96e0077456 100644
--- a/node_exporter.go
+++ b/node_exporter.go
@@ -29,7 +29,7 @@ import (
 )
 
 const (
-	defaultCollectors = "conntrack,cpu,diskstats,entropy,filefd,filesystem,loadavg,mdadm,meminfo,netdev,netstat,sockstat,stat,textfile,time,uname,version,vmstat"
+	defaultCollectors = "conntrack,cpu,diskstats,entropy,filefd,filesystem,loadavg,mdadm,meminfo,netdev,netstat,sockstat,stat,textfile,time,uname,version,vmstat,zfs"
 )
 
 var (