diff --git a/packages/core-js/internals/engine-is-browser.js b/packages/core-js/internals/engine-is-browser.js
index 26f019662ab7..c612b940155f 100644
--- a/packages/core-js/internals/engine-is-browser.js
+++ b/packages/core-js/internals/engine-is-browser.js
@@ -3,4 +3,4 @@ var IS_NODE = require('../internals/engine-is-node');
 
 module.exports = !IS_DENO && !IS_NODE
   && typeof window == 'object'
-  && window.document && document.nodeType === 9;
+  && typeof document == 'object';