diff --git a/browser/branding/aurora/configure.sh b/browser/branding/aurora/configure.sh
--- a/browser/branding/aurora/configure.sh
+++ b/browser/branding/aurora/configure.sh
@@ -1,7 +1,8 @@
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 MOZ_APP_DISPLAYNAME="Firefox Developer Edition"
 MOZ_APP_REMOTINGNAME=firefox-dev
 MOZ_DEV_EDITION=1
+MOZ_UA_BUILDID=20100101
