diff --git a/vendor/wp-now/src/wp-now.ts b/vendor/wp-now/src/wp-now.ts
index b3fc88d9..e4e4ad45 100644
--- a/vendor/wp-now/src/wp-now.ts
+++ b/vendor/wp-now/src/wp-now.ts
@@ -67,7 +67,7 @@ export default async function startWPNow(
 
 	const php = await requestHandler.getPrimaryPhp();
 
-	await applyOverrideUmaskWorkaround( php );
+	applyOverrideUmaskWorkaround( php );
 
 	prepareDocumentRoot( php, options );
 
@@ -571,18 +571,11 @@ export async function moveDatabasesInSitu( projectPath: string ) {
  * The default `umask` set by Emscripten is 0777 which is too restrictive. This has been updated
  * in https://github.com/emscripten-core/emscripten/pull/22589 but is not available in the stable
  * version of Emscripten yet. In the meantime, we'll apply a workaround by setting the umask via
- * `auto_prepend_file` PHP directive.
+ * a preload file that will be executed before running any PHP file.
  *
  * Once the Emscripten update is available, a new version of Playground is released using the
  * updated Emscripten, and the Playground dependency is updated in the app, this workaround can be removed.
  */
-async function applyOverrideUmaskWorkaround( php: PHP ) {
-	const iniEntries = await getPhpIniEntries( php );
-	await setPhpIniEntries( php, {
-		...iniEntries,
-		auto_prepend_file: '/internal/shared/studio/auto-prepend-file.php',
-	} );
-
-	php.mkdir( '/internal/shared/studio' );
-	php.writeFile( '/internal/shared/studio/auto-prepend-file.php', '<?php umask(0022);' );
+function applyOverrideUmaskWorkaround( php: PHP ) {
+	php.writeFile( '/internal/shared/preload/override-umask-workaround.php', '<?php umask(0022);' );
 }