diff --git a/test/parallel/test-memory-usage-emfile.js b/test/parallel/test-memory-usage-emfile.js
index 8dc1360d985bde..05b112e91803d1 100644
--- a/test/parallel/test-memory-usage-emfile.js
+++ b/test/parallel/test-memory-usage-emfile.js
@@ -14,5 +14,5 @@ const files = [];
 while (files.length < 256)
   files.push(fs.openSync(__filename, 'r'));
 
-const r = process.memoryUsage();
-assert.strictEqual(r.rss > 0, true);
+const r = process.memoryUsage.rss();
+assert.strictEqual(r > 0, true);