diff --git a/MozillaThunderbird.spec b/MozillaThunderbird.spec
index 2c8147f..6cb7bf6 100644
--- a/MozillaThunderbird.spec
+++ b/MozillaThunderbird.spec
@@ -133,6 +133,7 @@ Group:          Productivity/Networking/Email/Clients
 Url:            https://www.thunderbird.net/
 Source:         http://ftp.mozilla.org/pub/%{progname}/releases/%{version}%{version_postfix}/source/%{progname}-%{version}%{version_postfix}.source.tar.xz
 Source1:        thunderbird.desktop
+Source2:        tar_stamps
 Source3:        mozilla.sh.in
 Source4:        l10n-%{version}.tar.xz
 Source6:        suse-default-prefs.js