diff --git a/lib/transport.tcp.js b/lib/transport.tcp.js
index dda958c..075b6dd 100644
--- a/lib/transport.tcp.js
+++ b/lib/transport.tcp.js
@@ -43,9 +43,9 @@ function parseUrl(urlString) {
   const urlObject = url.parse(urlString);
   const config = {};
 
-  if (urlObject.protocol === 'jstp') {
+  if (urlObject.protocol === 'jstp:') {
     config.secure = false;
-  } else if (urlObject.protocol === 'jstps') {
+  } else if (urlObject.protocol === 'jstps:') {
     config.secure = true;
   } else {
     throw new Error('Invalid URL schema');