diff --git a/internal/ui/handler.go b/internal/ui/handler.go
index 463583f..50bb675 100644
--- a/internal/ui/handler.go
+++ b/internal/ui/handler.go
@@ -132,7 +132,6 @@ func (h *Handler) IndexFile() http.Handler {
 			http.NotFoundHandler().ServeHTTP(w, r)
 			return
 		}
-		w.WriteHeader(http.StatusOK)
 		_, _ = w.Write(rtn)
 	}))
 }