diff --git a/shelljs/index.d.ts b/shelljs/index.d.ts
index 5e812947fd..a8f2196dab 100644
--- a/shelljs/index.d.ts
+++ b/shelljs/index.d.ts
@@ -1,4 +1,4 @@
-// Type definitions for ShellJS v0.6.0
+// Type definitions for ShellJS v0.7.6
 // Project: http://shelljs.org
 // Definitions by: Niklas Mollenhauer <https://github.com/nikeee>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
@@ -466,7 +466,7 @@ export interface ExecCallback {
     (code: number, stdout: string, stderr: string): any;
 }
 
-export interface ExecOptions {
+export interface ExecOptions extends child.ExecOptions {
     silent?: boolean;
     async?: boolean;
 }
diff --git a/shelljs/shelljs-tests.ts b/shelljs/shelljs-tests.ts
index a78b8e44e1..6c155e5aee 100644
--- a/shelljs/shelljs-tests.ts
+++ b/shelljs/shelljs-tests.ts
@@ -97,7 +97,7 @@ var pid = asyncVersion3.pid;
 shell.exec("node --version", { silent: true }, function (code, stdout, stderr) {
     var version = stdout;
 });
-shell.exec("node --version", { silent: true, async: true }, function (code, stdout, stderr) {
+shell.exec("node --version", { silent: true, async: true, cwd: '/usr/local/bin' }, function (code, stdout, stderr) {
     var version = stdout;
 });
 shell.exec("node --version", function (code, stdout, stderr) {