diff --git a/beacon_node/src/cli.rs b/beacon_node/src/cli.rs
index 9016f6903..fb871c2e2 100644
--- a/beacon_node/src/cli.rs
+++ b/beacon_node/src/cli.rs
@@ -142,8 +142,7 @@ pub fn cli_app<'a, 'b>() -> App<'a, 'b> {
                 .short("x")
                 .long("disable-enr-auto-update")
                 .help("Discovery automatically updates the nodes local ENR with an external IP address and port as seen by other peers on the network. \
-                This disables this feature, fixing the ENR's IP/PORT to those specified on boot.")
-                .takes_value(true),
+                This disables this feature, fixing the ENR's IP/PORT to those specified on boot."),
         )
         .arg(
             Arg::with_name("libp2p-addresses")