diff --git a/build_tools/prep_tarball b/build_tools/prep_tarball
new file mode 100755
index 0000000000000000000000000000000000000000..6b2354e5f75495e9d5811490e3e7d2e286fe612a
--- /dev/null
+++ b/build_tools/prep_tarball
@@ -0,0 +1,8 @@
+#!/bin/sh -e
+
+# This script will be executed by the 'mkrelease' script to do any tasks
+# necessary during tarball creation of this project.
+#
+# It will be executed from the top-level directory of the project.
+
+make -C sounds all MENUSELECT_CORE_SOUNDS=CORE-SOUNDS-EN-GSM MENUSELECT_MOH=MOH-FREEPLAY-WAV