diff --git a/vendor/assets/javascripts/i18n-patches.js b/vendor/assets/javascripts/i18n-patches.js
index cef203d9a..b4522357e 100644
--- a/vendor/assets/javascripts/i18n-patches.js
+++ b/vendor/assets/javascripts/i18n-patches.js
@@ -1,20 +1,22 @@
 (function() {
-  var oldI18nlookup = I18n.lookup;
-  I18n.lookup = function(scope, options) {
-    return oldI18nlookup.apply(this, ["js." + scope, options]);
-  };
-
-  // Default format for storage units
-  var oldI18ntoHumanSize = I18n.toHumanSize;
-  I18n.toHumanSize = function(number, options) {
-    options = options || {};
-    options.format = I18n.t("number.human.storage_units.format");
-    return oldI18ntoHumanSize.apply(this, [number, options]);
-  };
-
-  if (Ember.EXTEND_PROTOTYPES) {
-    String.prototype.i18n = function(options) {
-      return I18n.t(String(this), options);
+  if (typeof I18n !== "undefined") {
+    var oldI18nlookup = I18n.lookup;
+    I18n.lookup = function(scope, options) {
+      return oldI18nlookup.apply(this, ["js." + scope, options]);
     };
+
+    // Default format for storage units
+    var oldI18ntoHumanSize = I18n.toHumanSize;
+    I18n.toHumanSize = function(number, options) {
+      options = options || {};
+      options.format = I18n.t("number.human.storage_units.format");
+      return oldI18ntoHumanSize.apply(this, [number, options]);
+    };
+
+    if (Ember.EXTEND_PROTOTYPES) {
+      String.prototype.i18n = function(options) {
+        return I18n.t(String(this), options);
+      };
+    }
   }
 })();