diff --git a/test/parallel/test-os-process-priority.js b/test/parallel/test-os-process-priority.js
index c6fdbff9e554d9..2edabf53dff333 100644
--- a/test/parallel/test-os-process-priority.js
+++ b/test/parallel/test-os-process-priority.js
@@ -109,6 +109,14 @@ for (let i = PRIORITY_HIGHEST; i <= PRIORITY_LOW; i++) {
   checkPriority(process.pid, i);
 }
 
+{
+  assert.throws(() => { os.getPriority(-1); }, {
+    code: 'ERR_SYSTEM_ERROR',
+    message: /A system error occurred: uv_os_getpriority returned /,
+    name: 'SystemError'
+  });
+}
+
 
 function checkPriority(pid, expected) {
   const priority = os.getPriority(pid);