diff --git a/test/addons/repl-domain-abort/test.js b/test/addons/repl-domain-abort/test.js
index 8d148432c31..0108de0d9ee 100644
--- a/test/addons/repl-domain-abort/test.js
+++ b/test/addons/repl-domain-abort/test.js
@@ -38,7 +38,7 @@ process.on('exit', () => {
 
 const lines = [
   // This line shouldn't cause an assertion error.
-  `require('${buildPath}')` +
+  `require(${JSON.stringify(buildPath)})` +
   // Log output to double check callback ran.
   '.method(function(v1, v2) {' +
   'console.log(\'cb_ran\'); return v1 === true && v2 === false; });',
diff --git a/test/node-api/test_instance_data/test.js b/test/node-api/test_instance_data/test.js
index 7f8e785ac43..1758bea2893 100644
--- a/test/node-api/test_instance_data/test.js
+++ b/test/node-api/test_instance_data/test.js
@@ -38,13 +38,8 @@ if (module !== require.main) {
   function testProcessExit(addonName) {
     // Make sure that process exit is clean when the instance data has
     // references to JS objects.
-    const path = require
-      .resolve(`./build/${common.buildType}/${addonName}`)
-      // Replace any backslashes with double backslashes because they'll be re-
-      // interpreted back to single backslashes in the command line argument
-      // to the child process. Windows needs this.
-      .replace(/\\/g, '\\\\');
-    const child = spawnSync(process.execPath, ['-e', `require('${path}');`]);
+    const path = require.resolve(`./build/${common.buildType}/${addonName}`);
+    const child = spawnSync(process.execPath, ['-e', `require(${JSON.stringify(path)});`]);
     assert.strictEqual(child.signal, null);
     assert.strictEqual(child.status, 0);
     assert.strictEqual(child.stderr.toString(), 'addon_free');
diff --git a/test/node-api/test_uv_threadpool_size/node-options.js b/test/node-api/test_uv_threadpool_size/node-options.js
index 40610274acc..c558addd1bc 100644
--- a/test/node-api/test_uv_threadpool_size/node-options.js
+++ b/test/node-api/test_uv_threadpool_size/node-options.js
@@ -12,12 +12,9 @@ if (process.config.variables.node_without_node_options) {
 const uvThreadPoolPath = '../../fixtures/dotenv/uv-threadpool.env';
 
 // Should update UV_THREADPOOL_SIZE
-let filePath = path.join(__dirname, `./build/${common.buildType}/test_uv_threadpool_size`);
-if (common.isWindows) {
-  filePath = filePath.replaceAll('\\', '\\\\');
-}
+const filePath = path.join(__dirname, `./build/${common.buildType}/test_uv_threadpool_size`);
 const code = `
-   const { test } = require('${filePath}');
+   const { test } = require(${JSON.stringify(filePath)});
    const size = parseInt(process.env.UV_THREADPOOL_SIZE, 10);
    require('assert').strictEqual(size, 4);
    test(size);