1 files changed, 1 insertions, 1 deletions
diff --git a/wassr.js b/wassr.js
index 24a934f..451a9b6 100644
--- a/wassr.js
+++ b/wassr.js
@@ -38,7 +38,7 @@
     var passwordManager = Cc["@mozilla.org/login-manager;1"].getService(Ci.nsILoginManager);
     var evalFunc = window.eval;
     try {
-        var sandbox = new Components.utils.Sandbox(window);
+        var sandbox = new Components.utils.Sandbox("about:blank");
         if (Components.utils.evalInSandbox("true", sandbox) === true) {
             evalFunc = function(text) {
                 return Components.utils.evalInSandbox(text, sandbox);