diff --git a/package.json b/package.json
index dffe898..6858534 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,8 @@
 		"shim"
 	],
 	"dependencies": {
-		"define-properties": "^1.2.1"
+		"define-properties": "^1.2.1",
+		"gopd": "^1.0.1"
 	},
 	"devDependencies": {
 		"@es-shims/api": "^2.5.0",
diff --git a/shim.js b/shim.js
index 7ccf455..ee89bbb 100644
--- a/shim.js
+++ b/shim.js
@@ -1,13 +1,20 @@
 'use strict';
 
 var define = require('define-properties');
+var gOPD = require('gopd');
 var getPolyfill = require('./polyfill');
 
 module.exports = function shimGlobal() {
 	var polyfill = getPolyfill();
 	if (define.supportsDescriptors) {
-		var descriptor = Object.getOwnPropertyDescriptor(polyfill, 'globalThis');
-		if (!descriptor || (descriptor.configurable && (descriptor.enumerable || !descriptor.writable || globalThis !== polyfill))) { // eslint-disable-line max-len
+		var descriptor = gOPD(polyfill, 'globalThis');
+		if (
+			!descriptor
+			|| (
+				descriptor.configurable
+				&& (descriptor.enumerable || !descriptor.writable || globalThis !== polyfill)
+			)
+		) {
 			Object.defineProperty(polyfill, 'globalThis', {
 				configurable: true,
 				enumerable: false,