diff --git a/lib/auth.js b/lib/auth.js
index afd7f59..85e0505 100644
--- a/lib/auth.js
+++ b/lib/auth.js
@@ -50,7 +50,7 @@ function parseXauth( buf )
     return auth;
 }
 
-var homedir = require('os').homedir();
+var homedir = require('os').homedir;
 var path = require('path');
 
 function readXauthority(cb) {