diff --git a/packages/autoupdate/autoupdate_cordova.js b/packages/autoupdate/autoupdate_cordova.js
index 85b1c3030d..3451580229 100644
--- a/packages/autoupdate/autoupdate_cordova.js
+++ b/packages/autoupdate/autoupdate_cordova.js
@@ -90,17 +90,20 @@ var onNewVersion = function () {
 
     _.each(manifest, function (item) {
       if (! item.url) return;
-      var uri = encodeURI(urlPrefix + item.url);
+
+      // Add a cache buster to ensure that we don't cache an old asset.
+      var uri = encodeURI(urlPrefix + item.url + '?' + Random.id());
 
       // Try to dowload the file a few times.
       var tries = 0;
       var tryDownload = function () {
+        console.log('downloading', uri)
         ft.download(uri, versionPrefix + item.url, function (entry) {
           if (entry) {
             afterAllFilesDownloaded();
           }
         }, function (err) {
-          // It failed, try again if we have tries less than 5 times.
+          // It failed, try again if we have tried less than 5 times.
           if (tries++ < 5) {
             tryDownload();
           } else {
diff --git a/packages/autoupdate/package.js b/packages/autoupdate/package.js
index fbfcebbe8b..dcfec1bea5 100644
--- a/packages/autoupdate/package.js
+++ b/packages/autoupdate/package.js
@@ -10,7 +10,7 @@ Cordova.depends({
 
 Package.on_use(function (api) {
   api.use('webapp', 'server');
-  api.use(['deps', 'retry'], 'client');
+  api.use(['deps', 'retry', 'random'], 'client');
   api.use(['livedata', 'mongo-livedata', 'underscore'], ['client', 'server']);
   api.use('deps', 'client');
   api.use('reload', 'client', {weak: true});
diff --git a/tools/client/meteor_cordova_loader.js b/tools/client/meteor_cordova_loader.js
index 8e8f0a61ad..112a53b560 100644
--- a/tools/client/meteor_cordova_loader.js
+++ b/tools/client/meteor_cordova_loader.js
@@ -93,9 +93,23 @@
     document.getElementsByTagName('head')[0].appendChild(styleTag);
   };
 
+  var stripLeadingSlash = function (p) {
+    if (p.charAt(0) !== '/')
+      throw new Error("bad path: " + p);
+    return p.slice(1);
+  };
+
   var loadAssetsFromManifest = function (manifest, urlPrefix) {
+    // Set the base href so that relative paths point to the correct version
+    // of the app.
+    var newBase = document.createElement("base");
+    newBase.setAttribute("href", urlPrefix);
+    document.getElementsByTagName("head")[0].appendChild(newBase);
+
     each(manifest, function (item) {
-      var url = urlPrefix + (item.url ? item.url.substring(1) : '');
+      // We want to use relative paths so that our base href is taken into
+      // account.
+      var url = item.url ? stripLeadingSlash(item.url) : '';
       if (item.type === 'js')
         queue.push(function () {
           loadScript(url);