diff --git a/zebra-network/src/constants.rs b/zebra-network/src/constants.rs
index 86bd5a2bc..742b48f86 100644
--- a/zebra-network/src/constants.rs
+++ b/zebra-network/src/constants.rs
@@ -34,7 +34,11 @@ pub const HEARTBEAT_INTERVAL: Duration = Duration::from_secs(60);
 pub const TIMESTAMP_TRUNCATION_SECONDS: i64 = 30 * 60;
 
 /// The User-Agent string provided by the node.
-pub const USER_AGENT: &str = "🦓 Zebra 3.0.0-alpha.0 🦓";
+///
+/// This must be a valid [BIP 14] user agent.
+///
+/// [BIP 14]: https://github.com/bitcoin/bips/blob/master/bip-0014.mediawiki
+pub const USER_AGENT: &str = "/Zebra:3.0.0-alpha.0(🦓)/";
 
 /// The Zcash network protocol version implemented by this crate.
 ///