diff --git a/12/pipeserver.js b/12/pipeserver.js
index 7c3eb4c..d7bd5a4 100644
--- a/12/pipeserver.js
+++ b/12/pipeserver.js
@@ -1,4 +1,4 @@
-var ws_addr = 'wss://'+window.location.host+"/sandbox/pipe",
+var ws_addr = 'wss://'+window.location.host+"/12/pipe",
     sock = null,
     //shell = document.getElementById("shell"),
     authors = document.getElementById("authors"),