diff --git a/desktop/src-common/advent/screens/rooms/outside_castle.clj b/desktop/src-common/advent/screens/rooms/outside_castle.clj
index 25a52542..9d9c4b5a 100644
--- a/desktop/src-common/advent/screens/rooms/outside_castle.clj
+++ b/desktop/src-common/advent/screens/rooms/outside_castle.clj
@@ -430,22 +430,10 @@
                 :collision "outside-castle/collision.png"
                 :scale-fn (utils/scaler-fn-from-image "outside-castle/scale-map.png" 0.20 1.00)
                 :start-pos [259 80]
-                :apply-state (fn [_ entities]
+                :apply-state (fn [screen entities]
                                (utils/fast-forward-particle (get-in entities [:room :entities :outside-particles]))
-                               (->
+                               (as-> entities entities
                                 (if (#{:night :sunrise} (get-in entities [:state :time]))
                                   (make-night entities)
                                   entities)
-                                (assoc-in [:room :flies-sound :id] (sound! (get-in entities [:room :flies-sound :sound]) :loop (flies-vol entities)))))
-
-                :update-fn (fn [_ entities]
-                             (when-let [flies-sound-id (get-in entities [:room :flies-sound :id])]
-                               (sound! (get-in entities [:room :flies-sound :sound]) :set-volume flies-sound-id (flies-vol entities)))
-                             entities)
-
-                :stop-fn (fn [_ entities]
-                           (when-let [flies-sound-id (get-in entities [:room :flies-sound :id])]
-                             (sound! (get-in entities [:room :flies-sound :sound]) :stop flies-sound-id))
-                           entities)
-
-                )))
+                                (utils/play-sound! screen entities (get-in entities [:room :flies-sound :sound]) flies-vol 0.5 :loop))))))