diff --git a/src/client_server/account.rs b/src/client_server/account.rs
index 87e3731..f3795d1 100644
--- a/src/client_server/account.rs
+++ b/src/client_server/account.rs
@@ -192,6 +192,9 @@ pub async fn register_route(
     // Create user
     db.users.create(&user_id, password)?;
 
+    db.users
+        .set_displayname(&user_id, Some(format!("{} ⚡️", user_id.localpart())))?;
+
     // Initial data
     db.account_data.update(
         None,