diff --git a/apps/cowswap-frontend/src/legacy/state/cowToken/middleware.ts b/apps/cowswap-frontend/src/legacy/state/cowToken/middleware.ts
index a1212abec9..634c7ddf11 100644
--- a/apps/cowswap-frontend/src/legacy/state/cowToken/middleware.ts
+++ b/apps/cowswap-frontend/src/legacy/state/cowToken/middleware.ts
@@ -19,8 +19,9 @@ export const cowTokenMiddleware: Middleware<Record<string, unknown>, AppState> =
     const { chainId, hash } = action.payload
     const transaction = store.getState().transactions[chainId][hash]
 
-    const { userDarkMode, matchesDarkMode } = store.getState().user
-    const isDarkMode = userDarkMode === null ? matchesDarkMode : userDarkMode
+    // const { userDarkMode, matchesDarkMode } = store.getState().user
+    // const isDarkMode = userDarkMode === null ? matchesDarkMode : userDarkMode
+    const isDarkMode = true // TODO: revert after halloween
 
     if (transaction.swapVCow || transaction.swapLockedGNOvCow) {
       const status = transaction.receipt?.status
diff --git a/apps/cowswap-frontend/src/legacy/state/orders/middleware/soundMiddleware.ts b/apps/cowswap-frontend/src/legacy/state/orders/middleware/soundMiddleware.ts
index 86c12e784c..7832744e8b 100644
--- a/apps/cowswap-frontend/src/legacy/state/orders/middleware/soundMiddleware.ts
+++ b/apps/cowswap-frontend/src/legacy/state/orders/middleware/soundMiddleware.ts
@@ -59,8 +59,9 @@ export const soundMiddleware: Middleware<Record<string, unknown>, AppState> = (s
     }
   }
 
-  const { userDarkMode, matchesDarkMode } = store.getState().user
-  const isDarkMode = userDarkMode === null ? matchesDarkMode : userDarkMode
+  // const { userDarkMode, matchesDarkMode } = store.getState().user
+  // const isDarkMode = userDarkMode === null ? matchesDarkMode : userDarkMode
+  const isDarkMode = true // TODO: revert after halloween
 
   let cowSound
   let showLighningEffect = false
diff --git a/package.json b/package.json
index adde8edde8..3bf62e7811 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cowswap",
-  "version": "1.48.8",
+  "version": "1.48.9",
   "description": "CoW Swap",
   "main": "index.js",
   "author": "",