diff --git a/test/sequential/test-debugger-random-port-with-inspect-port.js b/test/sequential/test-debugger-random-port-with-inspect-port.js
index b122f69c039381..c769922fb505cf 100644
--- a/test/sequential/test-debugger-random-port-with-inspect-port.js
+++ b/test/sequential/test-debugger-random-port-with-inspect-port.js
@@ -15,15 +15,15 @@ const cli = startCLI(['--inspect-port=0', script]);
 
 (async () => {
   try {
-    await cli.waitForInitialBreak()
-    await cli.waitForPrompt()
+    await cli.waitForInitialBreak();
+    await cli.waitForPrompt();
     assert.match(cli.output, /debug>/, 'prints a prompt');
     assert.match(
       cli.output,
       /< Debugger listening on /,
       'forwards child output');
   } finally {
-    const code = cli.quit()
+    const code = await cli.quit();
     assert.strictEqual(code,0);
   }
 })();