diff --git a/test/sequential/test-debugger-heap-profiler.js b/test/sequential/test-debugger-heap-profiler.js
index c4f666afab79e9..b38b43ea843c50 100644
--- a/test/sequential/test-debugger-heap-profiler.js
+++ b/test/sequential/test-debugger-heap-profiler.js
@@ -19,7 +19,7 @@ const filename = path.join(tmpdir.path, 'node.heapsnapshot');
   const opts = { cwd: tmpdir.path };
   const cli = startCLI([fixtures.path('debugger/empty.js')], [], opts);
 
-  let waitInitialBreak = async function () {
+  const waitInitialBreak = async function() {
     try {
       await cli.waitForInitialBreak();
       await cli.waitForPrompt();
@@ -30,9 +30,9 @@ const filename = path.join(tmpdir.path, 'node.heapsnapshot');
       await cli.command('takeHeapSnapshot(); takeHeapSnapshot()');
       await JSON.parse(readFileSync(filename, 'utf8'));
     } finally {
-      await cli.quit()
-    } 
-  }
+      await cli.quit();
+    }
+  };
 
   // Check that the snapshot is valid JSON.
   return waitInitialBreak();