diff --git a/lib/tls.js b/lib/tls.js
index f4b72851907862..ddc84aab8bb03d 100644
--- a/lib/tls.js
+++ b/lib/tls.js
@@ -85,7 +85,7 @@ exports.convertNPNProtocols = internalUtil.deprecate(function(protocols, out) {
   }
 }, 'tls.convertNPNProtocols() is deprecated.', 'DEP0107');
 
-exports.convertALPNProtocols = function(protocols, out) {
+exports.convertALPNProtocols = function convertALPNProtocols(protocols, out) {
   // If protocols is Array - translate it into buffer
   if (Array.isArray(protocols)) {
     out.ALPNProtocols = convertProtocols(protocols);