diff --git a/Source/Modules/AppDelegate.swift b/Source/Modules/AppDelegate.swift
index 70e6cf6b..9211f8c0 100644
--- a/Source/Modules/AppDelegate.swift
+++ b/Source/Modules/AppDelegate.swift
@@ -46,7 +46,7 @@ class AppDelegate: NSObject, NSApplicationDelegate, NSUserNotificationCenterDele
 
     if !PrefMgr.shared.onlyLoadFactoryLangModelsIfNeeded { LMMgr.loadDataModelsOnAppDelegate() }
     DispatchQueue.main.async {
-      LMMgr.loadCassetteData()
+      if PrefMgr.shared.cassetteEnabled { LMMgr.loadCassetteData() }
       LMMgr.initUserLangModels()
       self.folderMonitor.folderDidChange = { [weak self] in
         self?.reloadOnFolderChangeHappens()