diff --git a/lib/agent.js b/lib/agent.js
index bb495d1b..8c0eca29 100644
--- a/lib/agent.js
+++ b/lib/agent.js
@@ -378,7 +378,7 @@ const CygwinAgent = (() => {
           sock.on('error', onFail);
           sock.on('end', onFail);
           sock.on('close', onFail);
-          sock.connect(port);
+          sock.connect(port, '127.0.0.1');
         }
       });
     }