diff --git a/graal-nodejs/lib/child_process.js b/graal-nodejs/lib/child_process.js
index c199e7079f8..cdcc2d9fa29 100644
--- a/graal-nodejs/lib/child_process.js
+++ b/graal-nodejs/lib/child_process.js
@@ -103,7 +103,7 @@ let addAbortListener;
  * @param {string|URL} modulePath
  * @param {string[]} [args]
  * @param {{
- *   cwd?: string;
+ *   cwd?: string | URL;
  *   detached?: boolean;
  *   env?: Record<string, string>;
  *   execPath?: string;
@@ -305,7 +305,7 @@ function normalizeExecFileArgs(file, args, options, callback) {
  * @param {string} file
  * @param {string[]} [args]
  * @param {{
- *   cwd?: string;
+ *   cwd?: string | URL;
  *   env?: Record<string, string>;
  *   encoding?: string;
  *   timeout?: number;
@@ -743,7 +743,7 @@ function abortChildProcess(child, killSignal, reason) {
  * @param {string} file
  * @param {string[]} [args]
  * @param {{
- *   cwd?: string;
+ *   cwd?: string | URL;
  *   env?: Record<string, string>;
  *   argv0?: string;
  *   stdio?: Array | string;
@@ -813,7 +813,7 @@ function spawn(file, args, options) {
  * @param {string} file
  * @param {string[]} [args]
  * @param {{
- *   cwd?: string;
+ *   cwd?: string | URL;
  *   input?: string | Buffer | TypedArray | DataView;
  *   argv0?: string;
  *   stdio?: string | Array;
@@ -907,7 +907,7 @@ function checkExecSyncError(ret, args, cmd) {
  * @param {string} file
  * @param {string[]} [args]
  * @param {{
- *   cwd?: string;
+ *   cwd?: string | URL;
  *   input?: string | Buffer | TypedArray | DataView;
  *   stdio?: string | Array;
  *   env?: Record<string, string>;
@@ -945,7 +945,7 @@ function execFileSync(file, args, options) {
  * Spawns a shell executing the given `command` synchronously.
  * @param {string} command
  * @param {{
- *   cwd?: string;
+ *   cwd?: string | URL;
  *   input?: string | Buffer | TypedArray | DataView;
  *   stdio?: string | Array;
  *   env?: Record<string, string>;