diff --git a/racket/collects/pkg/private/stage.rkt b/racket/collects/pkg/private/stage.rkt
index a417c449d8..5643bbdc7c 100644
--- a/racket/collects/pkg/private/stage.rkt
+++ b/racket/collects/pkg/private/stage.rkt
@@ -705,7 +705,7 @@
                                 #:given-checksum (pkg-desc-checksum desc)
                                 #:use-cache? use-cache?
                                 #t
-                                (if quiet? void printf)
+                                (if quiet? void printf/flush)
                                 metadata-ns
                                 #:in-place? in-place?
                                 #:strip strip-mode