diff --git a/racket/src/cs/rumble/foreign.ss b/racket/src/cs/rumble/foreign.ss
index 8d6911bec7..e435e69915 100644
--- a/racket/src/cs/rumble/foreign.ss
+++ b/racket/src/cs/rumble/foreign.ss
@@ -1895,7 +1895,10 @@
      [else
       ;; Inform the scheduler that it's in atomic mode
       (scheduler-start-atomic)
+      ;; Now that the schedule is in atomic mode, reenable interrupts (for GC)
+      (enable-interrupts)
       (let ([v (thunk)])
+        (disable-interrupts)
         (scheduler-end-atomic)
         v)])]
    [(box? async-apply)