diff --git a/collects/mred/private/wx/cocoa/frame.rkt b/collects/mred/private/wx/cocoa/frame.rkt
index b1e1a4cf25..9bad873467 100644
--- a/collects/mred/private/wx/cocoa/frame.rkt
+++ b/collects/mred/private/wx/cocoa/frame.rkt
@@ -47,10 +47,12 @@
     (for ([b (in-hash-values all-windows)])
       (define f (weak-box-value b))
       (when f
-        (parameterize ([current-eventspace (send f get-eventspace)])
-          (queue-callback
-           (λ ()
-             (send f display-changed))))))))
+        (define e (send f get-eventspace))
+        (unless (eventspace-shutdown? e)
+          (parameterize ([current-eventspace e])
+            (queue-callback
+             (λ ()
+               (send f display-changed)))))))))
 
 (set-screen-changed-callback! send-screen-change-notifications)
 
diff --git a/collects/mred/private/wx/gtk/frame.rkt b/collects/mred/private/wx/gtk/frame.rkt
index 4e0f82b987..d4e14124c0 100644
--- a/collects/mred/private/wx/gtk/frame.rkt
+++ b/collects/mred/private/wx/gtk/frame.rkt
@@ -584,10 +584,12 @@
 (define (tell-all-frames-signal-changed n)
   (define frames (for/list ([f (in-hash-keys all-frames)]) f))
   (for ([f (in-hash-keys all-frames)])
-    (parameterize ([current-eventspace (send f get-eventspace)])
-      (queue-callback
-       (λ () 
-         (send f display-changed))))))
+    (define e (send f get-eventspace))
+    (unless (eventspace-shutdown? e)
+      (parameterize ([current-eventspace e])
+        (queue-callback
+         (λ () 
+           (send f display-changed)))))))
 
 (define-signal-handler 
   connect-monitor-changed-signal