diff --git a/src/main.rs b/src/main.rs
index 44997aa..28ec8bf 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,4 +1,4 @@
-use axum::{extract::State, handler::Handler, response::IntoResponse};
+use axum::{extract::State, response::IntoResponse, routing::get, Router};
 use axum_extra::extract::cookie::{Cookie, CookieJar};
 use clap::Parser;
 use morethantext::MoreThanText;
@@ -26,13 +26,17 @@ async fn main() {
     let args = Args::parse();
     let addr = format!("{}:{}", args.address, args.port);
     let state = MoreThanText::new();
-    let app = mtt_conn.with_state(state);
+    let app = create_app(state).await;
     let listener = tokio::net::TcpListener::bind(&addr).await.unwrap();
     axum::serve(listener, app.into_make_service())
         .await
         .unwrap();
 }
 
+async fn create_app(state: MoreThanText) -> Router {
+    Router::new().route("/", get(mtt_conn)).with_state(state)
+}
+
 async fn mtt_conn(jar: CookieJar, state: State<MoreThanText>) -> impl IntoResponse {
     let sid = match jar.get(SESSION_KEY) {
         Some(cookie) => Some(cookie.value().to_string()),
@@ -60,7 +64,7 @@ mod servers {
 
     #[tokio::test]
     async fn get_home_page() {
-        let app = mtt_conn.with_state(MoreThanText::new());
+        let app = create_app(MoreThanText::new()).await;
         let response = app
             .oneshot(Request::builder().uri("/").body(Body::empty()).unwrap())
             .await
@@ -72,7 +76,7 @@ mod servers {
 
     #[tokio::test]
     async fn session_ids_are_unique() {
-        let app = mtt_conn.with_state(MoreThanText::new());
+        let app = create_app(MoreThanText::new()).await;
         let mut holder: Vec<String> = Vec::new();
         for _ in 0..5 {
             let response = app
@@ -89,4 +93,19 @@ mod servers {
             holder.push(sessid);
         }
     }
+
+    #[tokio::test]
+    async fn receive_file_not_found() {
+        let app = create_app(MoreThanText::new()).await;
+        let response = app
+            .oneshot(
+                Request::builder()
+                    .uri("/isomething")
+                    .body(Body::empty())
+                    .unwrap(),
+            )
+            .await
+            .unwrap();
+        assert_eq!(response.status(), StatusCode::NOT_FOUND);
+    }
 }