diff --git a/crates/proto-xmpp/src/bind.rs b/crates/proto-xmpp/src/bind.rs
index 41c9e45..dc0d1ce 100644
--- a/crates/proto-xmpp/src/bind.rs
+++ b/crates/proto-xmpp/src/bind.rs
@@ -48,7 +48,7 @@ impl Jid {
         use lazy_static::lazy_static;
         use regex::Regex;
         lazy_static! {
-            static ref RE: Regex = Regex::new(r"^(([a-zA-Z]+)@)?([a-zA-Z.]+)(/([a-zA-Z\-]+))?$").unwrap();
+            static ref RE: Regex = Regex::new(r"^(([a-zA-Z0-9]+)@)?([^@/]+)(/([a-zA-Z0-9\-]+))?$").unwrap();
         }
         let m = RE.captures(i).ok_or(anyhow!("Incorrectly format jid: {i}"))?;