diff --git a/racket-webview-qt.rkt b/racket-webview-qt.rkt
index a61344b..3841ea4 100644
--- a/racket-webview-qt.rkt
+++ b/racket-webview-qt.rkt
@@ -892,8 +892,10 @@
                   (if (wv-menu-empty? menu)
                       #f
                       (wv-menu->json menu))
-                  (error "rkt-webview-tray-set-menu! must be called with a wv-menu")
-                  ))
+                  (if (eq? menu #f)
+                      #f
+                      (error "rkt-webview-tray-set-menu! must be called with a wv-menu or #f")
+                  )))
         )
     (rkt_webview_tray_set_menu (rkt-wv-win tray) json)))