diff --git a/assets/scripts/lib/travis/ajax.coffee b/assets/scripts/lib/travis/ajax.coffee
index e7561db7..a9e4175b 100644
--- a/assets/scripts/lib/travis/ajax.coffee
+++ b/assets/scripts/lib/travis/ajax.coffee
@@ -34,13 +34,13 @@ Travis.ajax = Em.Object.create
     success = options.success || (->)
     options.success = (data) =>
       Travis.app.router.flashController.loadFlashes(data.flash) if Travis.app?.router && data.flash
-      delete data.flash
+      delete data.flash if data?
       success.apply(this, arguments)
 
     error = options.error || (->)
     options.error = (data) =>
       Travis.app.router.flashController.pushObject(data.flash) if data.flash
-      delete data.flash
+      delete data.flash if data?
       error.apply(this, arguments)
 
     $.ajax($.extend(options, Travis.ajax.DEFAULT_OPTIONS))