diff --git a/test/es-module/test-esm-loader-threads.mjs b/test/es-module/test-esm-loader-threads.mjs
index e8b2f6dbece479..cf59a3850df540 100644
--- a/test/es-module/test-esm-loader-threads.mjs
+++ b/test/es-module/test-esm-loader-threads.mjs
@@ -11,7 +11,7 @@ describe('off-thread hooks', { concurrency: true }, () => {
       '--import',
       `data:text/javascript,${encodeURIComponent(`
         import { register } from 'node:module';
-        register('${fixtures.fileURL('es-module-loaders/hooks-log.mjs')}');
+        register(${JSON.stringify(fixtures.fileURL('es-module-loaders/hooks-log.mjs'))});
       `)}`,
       fixtures.path('es-module-loaders/workers-spawned.mjs'),
     ]);
diff --git a/test/fixtures/es-module-loaders/workers-spawned.mjs b/test/fixtures/es-module-loaders/workers-spawned.mjs
index 6ef95d1803cfa7..dc6bab3cab2307 100644
--- a/test/fixtures/es-module-loaders/workers-spawned.mjs
+++ b/test/fixtures/es-module-loaders/workers-spawned.mjs
@@ -1,7 +1,7 @@
 import { Worker } from 'worker_threads';
 import { fileURLToPath } from 'node:url';
 
-const workerPath = fileURLToPath(new URL('./worker-log.mjs', import.meta.url));
+const workerPath = new URL('./worker-log.mjs', import.meta.url);
 
 // Spawn two workers
 new Worker(workerPath);