diff --git a/Source/Modules/SessionCtl_Menu.swift b/Source/Modules/SessionCtl_Menu.swift
index 7f605b8d..23b85732 100644
--- a/Source/Modules/SessionCtl_Menu.swift
+++ b/Source/Modules/SessionCtl_Menu.swift
@@ -230,6 +230,7 @@ extension SessionCtl {
     resetInputHandler()
     if !PrefMgr.shared.cassetteEnabled, !LMMgr.checkCassettePathValidity(PrefMgr.shared.cassettePath) {
       DispatchQueue.main.async {
+        IMEApp.buzz()
         let alert = NSAlert(error: NSLocalizedString("Path invalid or file access error.", comment: ""))
         alert.informativeText = NSLocalizedString(
           "Please reconfigure the cassette path to a valid one before enabling this mode.", comment: ""
@@ -240,7 +241,6 @@ extension SessionCtl {
           PrefMgr.shared.cassetteEnabled = false
         }
         NSApp.setActivationPolicy(.accessory)
-        IMEApp.buzz()
       }
       return
     }
diff --git a/Source/Modules/UIModules/PrefUI/VwrPrefPaneCassette.swift b/Source/Modules/UIModules/PrefUI/VwrPrefPaneCassette.swift
index 5c86f026..b0b68f7c 100644
--- a/Source/Modules/UIModules/PrefUI/VwrPrefPaneCassette.swift
+++ b/Source/Modules/UIModules/PrefUI/VwrPrefPaneCassette.swift
@@ -109,6 +109,7 @@ struct VwrPrefPaneCassette: View {
             isOn: $selCassetteEnabled.onChange {
               if selCassetteEnabled, !LMMgr.checkCassettePathValidity(PrefMgr.shared.cassettePath) {
                 if let window = CtlPrefUI.shared.controller.window {
+                  IMEApp.buzz()
                   let alert = NSAlert(error: NSLocalizedString("Path invalid or file access error.", comment: ""))
                   alert.informativeText = NSLocalizedString(
                     "Please reconfigure the cassette path to a valid one before enabling this mode.", comment: ""
@@ -118,7 +119,6 @@ struct VwrPrefPaneCassette: View {
                     PrefMgr.shared.cassetteEnabled = false
                     selCassetteEnabled = false
                   }
-                  IMEApp.buzz()
                 }
               } else {
                 PrefMgr.shared.cassetteEnabled = selCassetteEnabled
diff --git a/Source/Modules/WindowControllers/CtlPrefWindow.swift b/Source/Modules/WindowControllers/CtlPrefWindow.swift
index 77ab544a..33d54bef 100644
--- a/Source/Modules/WindowControllers/CtlPrefWindow.swift
+++ b/Source/Modules/WindowControllers/CtlPrefWindow.swift
@@ -283,6 +283,7 @@ class CtlPrefWindow: NSWindowController {
   @IBAction func onToggleCassetteMode(_: Any) {
     if PrefMgr.shared.cassetteEnabled, !LMMgr.checkCassettePathValidity(PrefMgr.shared.cassettePath) {
       if let window = window {
+        IMEApp.buzz()
         let alert = NSAlert(error: NSLocalizedString("Path invalid or file access error.", comment: ""))
         alert.informativeText = NSLocalizedString(
           "Please reconfigure the cassette path to a valid one before enabling this mode.", comment: ""
@@ -291,7 +292,6 @@ class CtlPrefWindow: NSWindowController {
           LMMgr.resetCassettePath()
           PrefMgr.shared.cassetteEnabled = false
         }
-        IMEApp.buzz()
       }
     } else {
       LMMgr.loadCassetteData()