diff --git a/packages/dom/src/index.js b/packages/dom/src/index.js
index f034a9832..c1bd918e7 100644
--- a/packages/dom/src/index.js
+++ b/packages/dom/src/index.js
@@ -1,14 +1,9 @@
 import serialize from './serialize-dom';
 
 /* istanbul ignore next */
-// works around instances where the context has an incorrect global scope
-// https://github.com/mozilla/geckodriver/issues/1798
-try {
-  if (globalThis !== window) {
-    window.PercyDOM = { serialize };
-  }
-} catch (error) {
-  // `globalThis` is probably not defined
+// works around instances where the context has an incorrect scope
+if (typeof window !== 'undefined') {
+  window.PercyDOM = exports;
 }
 
 export { serialize };
diff --git a/rollup.config.js b/rollup.config.js
index d0ffe75c1..a26e72942 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -45,8 +45,7 @@ const base = {
     ...pkg.rollup.output,
     intro: [
       // provide the bundle with a fake process.env if needed
-      'let process = {};',
-      'try { process = globalThis.process || {}; } catch (e) {}',
+      'const process = (typeof globalThis !== "undefined" && globalThis.process) || {};',
       'process.env = process.env || {};',
       // signals that the package is running in a browserified bundle
       'process.env.__PERCY_BROWSERIFIED__ = true;'