diff --git a/command/agent/command.go b/command/agent/command.go
index dfc5483939..05caa7a3f7 100644
--- a/command/agent/command.go
+++ b/command/agent/command.go
@@ -75,6 +75,7 @@ func (c *Command) readConfig() *Config {
 	cmdFlags.BoolVar(&cmdConfig.Server, "server", false, "run agent as server")
 	cmdFlags.BoolVar(&cmdConfig.Bootstrap, "bootstrap", false, "enable server bootstrap mode")
 	cmdFlags.IntVar(&cmdConfig.BootstrapExpect, "bootstrap-expect", 0, "enable automatic bootstrap via expect mode")
+	cmdFlags.StringVar(&cmdConfig.Domain, "domain", "", "domain to use for DNS interface")
 
 	cmdFlags.StringVar(&cmdConfig.ClientAddr, "client", "", "address to bind client listeners to (DNS, HTTP, HTTPS, RPC)")
 	cmdFlags.StringVar(&cmdConfig.BindAddr, "bind", "", "address to bind server listeners to")
diff --git a/website/source/docs/agent/options.html.markdown b/website/source/docs/agent/options.html.markdown
index d9729d4add..89444b26c9 100644
--- a/website/source/docs/agent/options.html.markdown
+++ b/website/source/docs/agent/options.html.markdown
@@ -112,6 +112,10 @@ The options below are all specified on the command-line.
   it relies on proper configuration. Nodes in the same datacenter should be on a single
   LAN.
 
+* <a name="_domain"></a><a href="#_domain">`-domain`</a> - By default, Consul responds to DNS queries
+  in the "consul." domain. This flag can be used to change that domain. All queries in this domain
+  are assumed to be handled by Consul and will not be recursively resolved.
+
 * <a name="_encrypt"></a><a href="#_encrypt">`-encrypt`</a> - Specifies the secret key to
   use for encryption of Consul
   network traffic. This key must be 16-bytes that are Base64-encoded. The
@@ -405,9 +409,8 @@ definitions support being updated during a reload.
   nodes whose healthchecks are not passing will be excluded from DNS results. By default (or
   if set to false), only nodes whose healthchecks are failing as critical will be excluded.
 
-* <a name="domain"></a><a href="#domain">`domain`</a> By default, Consul responds to DNS queries
-  in the "consul." domain. This flag can be used to change that domain. All queries in this domain
-  are assumed to be handled by Consul and will not be recursively resolved.
+* <a name="domain"></a><a href="#domain">`domain`</a> Equivalent to the
+  [`-domain` command-line flag](#_domain).
 
 * <a name="enable_debug"></a><a href="#enable_debug">`enable_debug`</a> When set, enables some
   additional debugging features. Currently, this is only used to set the runtime profiling HTTP endpoints.