diff --git a/src/web.rs b/src/web.rs
index fdca813..89844bf 100644
--- a/src/web.rs
+++ b/src/web.rs
@@ -55,7 +55,7 @@ async fn auth_done(query: AuthDone, state: State) -> anyhow::Result<impl warp::R
 
     let _client = monzo_client_from_code(&state, &query.code).await?;
 
-    Ok("Success! Please authorise in Monzo, then click <a href='/auth_confirmed'>here</a>.")
+    Ok(warp::reply::html("Success! Please authorise in Monzo, then click <a href='/auth_confirmed'>here</a>."))
 }
 
 async fn auth_done_wrapped(