diff --git a/omega-target-chromium-extension/src/coffee/background_preload.coffee b/omega-target-chromium-extension/src/coffee/background_preload.coffee
index 8159889..9d4a17b 100644
--- a/omega-target-chromium-extension/src/coffee/background_preload.coffee
+++ b/omega-target-chromium-extension/src/coffee/background_preload.coffee
@@ -2,6 +2,8 @@ if not globalThis.window
   globalThis.window = globalThis
   globalThis.global = globalThis
 window.UglifyJS_NoUnsafeEval = true
+globalThis.zeroDetectModeCB = null
+globalThis.startupCheck = undefined
 
 createContextMenu = ->
   chrome.contextMenus?.create({