diff --git a/src/http/ziti-websocket-wrapper.js b/src/http/ziti-websocket-wrapper.js
index d387890..40685ef 100644
--- a/src/http/ziti-websocket-wrapper.js
+++ b/src/http/ziti-websocket-wrapper.js
@@ -614,7 +614,9 @@ async function initAsClient(websocket, address, protocols, options) {
     let request = new ZitiHttpRequest(opts.serviceName, opts.href, opts, websocket._zitiContext);
     const req_options = await request.getRequestOptions();
     req_options.isWebSocket = true;
-    req_options.port = opts.serviceConnectAppData.dst_port;
+    if (!isUndefined(opts.serviceConnectAppData)) {
+      req_options.port = opts.serviceConnectAppData.dst_port;
+    }
     
     // Send request
     let req = (websocket._req = get(req_options));