diff --git a/test/sequential/test-inspector-port-zero.js b/test/sequential/test-inspector-port-zero.js
index a3eb08e5fb7a64..b7eb13ba13a68a 100644
--- a/test/sequential/test-inspector-port-zero.js
+++ b/test/sequential/test-inspector-port-zero.js
@@ -34,7 +34,10 @@ function test(arg, port = '') {
     };
     proc.stdout.on('close', mustCall(() => onclose()));
     proc.stderr.on('close', mustCall(() => onclose()));
-    proc.on('exit', mustCall((exitCode) => assert.strictEqual(exitCode, 0)));
+    proc.on('exit', mustCall((exitCode, signal) => assert.strictEqual(
+      exitCode,
+      0,
+      `exitCode: ${exitCode}, signal: ${signal}`)));
   }
 }