diff --git a/src/phpcs-report/__tests__/worker-integration.test.ts b/src/phpcs-report/__tests__/worker-integration.test.ts
index 313e31b..a4a8585 100644
--- a/src/phpcs-report/__tests__/worker-integration.test.ts
+++ b/src/phpcs-report/__tests__/worker-integration.test.ts
@@ -31,7 +31,9 @@ describe('Worker/WorkerPool Integration', () => {
 		);
 
 		try {
-			child_process.execFileSync(phpcsPath, ['--version']);
+			child_process.execFileSync(phpcsPath, ['--version'], {
+				shell: true,
+			});
 		} catch (e) {
 			throw new Error(
 				'PHPCS could not be found at "' +
diff --git a/src/phpcs-report/__tests__/worker.spec.ts b/src/phpcs-report/__tests__/worker.spec.ts
index 65f1bd5..3755363 100644
--- a/src/phpcs-report/__tests__/worker.spec.ts
+++ b/src/phpcs-report/__tests__/worker.spec.ts
@@ -31,7 +31,9 @@ describe('Worker', () => {
 		);
 
 		try {
-			child_process.execFileSync(phpcsPath, ['--version']);
+			child_process.execFileSync(phpcsPath, ['--version'], {
+				shell: true,
+			});
 		} catch (e) {
 			console.log(e);
 			throw new Error(
diff --git a/src/phpcs-report/worker.ts b/src/phpcs-report/worker.ts
index 8ee9c97..25bc54e 100644
--- a/src/phpcs-report/worker.ts
+++ b/src/phpcs-report/worker.ts
@@ -274,6 +274,8 @@ export class Worker {
 				}),
 			},
 			windowsHide: true,
+			// Node requires that the shell option be used on Windows to execute batch scripts.
+			shell: process.platform === 'win32' ? true : false,
 		};
 
 		// Make sure PHPCS knows to read from STDIN.