diff --git a/routers/routes/chi.go b/routers/routes/chi.go
index 5ff7a728f..00689441b 100644
--- a/routers/routes/chi.go
+++ b/routers/routes/chi.go
@@ -230,6 +230,12 @@ func RegisterInstallRoute(c chi.Router) {
 	m := NewMacaron()
 	RegisterMacaronInstallRoute(m)
 
+	// We need at least one handler in chi so that it does not drop
+	// our middleware: https://github.com/go-gitea/gitea/issues/13725#issuecomment-735244395
+	c.Get("/", func(w http.ResponseWriter, req *http.Request) {
+		m.ServeHTTP(w, req)
+	})
+
 	c.NotFound(func(w http.ResponseWriter, req *http.Request) {
 		m.ServeHTTP(w, req)
 	})