diff --git a/actix-files/src/lib.rs b/actix-files/src/lib.rs
index 551a14fa4..1242c0241 100644
--- a/actix-files/src/lib.rs
+++ b/actix-files/src/lib.rs
@@ -736,7 +736,7 @@ mod tests {
         .await;
         let req = TestRequest::with_uri("/tests").to_request();
         let resp = test::call_service(&srv, req).await;
-        assert_eq!(resp.status(), StatusCode::FOUND);
+        assert_eq!(resp.status(), StatusCode::PERMANENT_REDIRECT);
 
         // should redirect if files listing is enabled
         let srv = test::init_service(
@@ -749,7 +749,7 @@ mod tests {
         .await;
         let req = TestRequest::with_uri("/tests").to_request();
         let resp = test::call_service(&srv, req).await;
-        assert_eq!(resp.status(), StatusCode::FOUND);
+        assert_eq!(resp.status(), StatusCode::PERMANENT_REDIRECT);
 
         // should not redirect if the path is wrong
         let req = TestRequest::with_uri("/not_existing").to_request();
diff --git a/actix-files/src/service.rs b/actix-files/src/service.rs
index 527ab7f4b..1e2d322cf 100644
--- a/actix-files/src/service.rs
+++ b/actix-files/src/service.rs
@@ -149,7 +149,7 @@ impl Service<ServiceRequest> for FilesService {
                     let redirect_to = format!("{}/", req.path());
 
                     return Ok(req.into_response(
-                        HttpResponse::Found()
+                        HttpResponse::PermanentRedirect()
                             .insert_header((header::LOCATION, redirect_to))
                             .finish(),
                     ));