diff --git a/mx-linux/mx-21.sh b/mx-linux/mx-21.sh
index 81b7aff..f8b1fe2 100644
--- a/mx-linux/mx-21.sh
+++ b/mx-linux/mx-21.sh
@@ -111,4 +111,5 @@ unzip droidcam_latest.zip -d droidcam
 cd droidcam && ./install-client
 apt-get install $1 linux-headers-`uname -r` gcc make
 ./install-video
+./install-sound
 cd .. && rm -r ./droidcam*