diff --git a/mozilla/calendar/createXPI.sh b/mozilla/calendar/createXPI.sh
new file mode 100755
index 00000000000..e2379c272ab
--- /dev/null
+++ b/mozilla/calendar/createXPI.sh
@@ -0,0 +1 @@
+cd linux; zip -r calendar_linux.xpi components/ install.js resources/; mv calendar_linux.xpi ../; cd ../windows; zip -r calendar_windows.xpi components/ bin/ install.js resources/; mv calendar_windows.xpi ../; cd ..