diff --git a/build_tools/prep_tarball b/build_tools/prep_tarball
index 6b2354e5f7..5e78349cc4 100755
--- a/build_tools/prep_tarball
+++ b/build_tools/prep_tarball
@@ -5,4 +5,4 @@
 #
 # 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
+make -C sounds all MENUSELECT_CORE_SOUNDS=CORE-SOUNDS-EN-GSM MENUSELECT_MOH=MOH-FREEPLAY-WAV WGET=wget