diff --git a/rsakey.js b/rsakey.js
index 1bf0d90..90eb832 100644
--- a/rsakey.js
+++ b/rsakey.js
@@ -75,7 +75,7 @@ paramikojs.RSAKey.prototype = {
     var digest = new crypto.hash.SHA(data).digest();
     var pkcs1imified = this._pkcs1imify(digest);
 
-    var worker = new Worker('chrome://fireftp/content/js/connection/paramikojs/sign_ssh_data_worker.js');
+    var worker = new Worker('./js/connection/paramikojs/sign_ssh_data_worker.js');
     worker.onmessage = function(event) {
       var m = new paramikojs.Message();
       m.add_string('ssh-rsa');
diff --git a/sign_ssh_data_worker.js b/sign_ssh_data_worker.js
index 31bd1ba..8f893fe 100644
--- a/sign_ssh_data_worker.js
+++ b/sign_ssh_data_worker.js
@@ -1,9 +1,9 @@
-importScripts('chrome://fireftp/content/js/connection/paramikojs/crypto/crypto.js',
-              'chrome://fireftp/content/js/connection/paramikojs/crypto/PublicKey/RSA.js',
-              'chrome://fireftp/content/js/connection/paramikojs/common.js',
-              'chrome://fireftp/content/js/connection/paramikojs/python_shim.js',
-              'chrome://fireftp/content/js/connection/paramikojs/BigInteger.js',
-              'chrome://fireftp/content/js/connection/paramikojs/util.js');
+importScripts('crypto/crypto.js',
+              'crypto/PublicKey/RSA.js',
+              'common.js',
+              'python_shim.js',
+              'BigInteger.js',
+              'util.js');
 
 onmessage = function(event) {
   var rsa = new crypto.publicKey.RSA().construct(new BigInteger(event.data.n, 10),