diff --git a/lib/http2.js b/lib/http2.js
index bc87442f64f..36b81ec2c74 100644
--- a/lib/http2.js
+++ b/lib/http2.js
@@ -1259,6 +1259,7 @@ exports.request = function(options, cb) {
   if (options.agent === undefined) {
     options.agent = globalAgent;
   }
+  options.defaultPort = options.defaultPort || 80;
   return new ClientRequest(options, cb);
 };
 
diff --git a/lib/https2.js b/lib/https2.js
index c1c9b7109b7..02f32897b60 100644
--- a/lib/https2.js
+++ b/lib/https2.js
@@ -69,6 +69,7 @@ exports.request = function(options, cb) {
   if (options.agent === undefined) {
     options.agent = globalAgent;
   }
+  options.defaultPort = options.defaultPort || 443;
   return http.request(options, cb);
 };