diff --git a/lib/client.js b/lib/client.js
index d38e3fe..8f59367 100644
--- a/lib/client.js
+++ b/lib/client.js
@@ -58,6 +58,10 @@ function Client (globalRequest) {
     request.host = endpointRequest.host || globalRequest.host
     request.method = endpointRequest.method
 
+    if (endpointRequest.port) {
+      request.port = endpointRequest.port
+    }
+
     // build URL
     request.path = !isEmpty(endpointRequest.queryParams)
       ? buildPath(endpointRequest.path, endpointRequest.queryParams)