diff --git a/helpers/make-thunderbird b/helpers/make-thunderbird
index 46f77c8..734dedb 100644
--- a/helpers/make-thunderbird
+++ b/helpers/make-thunderbird
@@ -18,12 +18,13 @@
 #    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 #
 
-VERSION=6
+VERSION=7
 
 . ./config
 
 # Copy in our local Trisquel branding files
 cp $DATA/branding/* comm/mail/branding/nightly/ -r
+cp $DATA/branding/* comm/mail/branding/thunderbird/ -r
 for i in aurora nightly official unofficial; do
   cp $DATA/branding/* browser/branding/$i/ -r
 done