diff --git a/test/parallel/test-tls-session-cache.js b/test/parallel/test-tls-session-cache.js
index 34c4a71ab2c149..2be093a4f596fc 100644
--- a/test/parallel/test-tls-session-cache.js
+++ b/test/parallel/test-tls-session-cache.js
@@ -65,7 +65,7 @@ function doTest(testOptions, callback) {
         throw er;
     });
     ++requestCount;
-    cleartext.end();
+    cleartext.end('');
   });
   server.on('newSession', function(id, data, cb) {
     ++newSessionCount;