diff --git a/install_full/ubuntu/airtime-full-install b/install_full/ubuntu/airtime-full-install
index 7e47cbd72..9c6800ac1 100755
--- a/install_full/ubuntu/airtime-full-install
+++ b/install_full/ubuntu/airtime-full-install
@@ -1,8 +1,11 @@
-#!/bin/sh
+#!/bin/bash
 #
 # Auto install script for airtime on Ubuntu
 #
 
+exec > >(tee install_log.txt)
+exec 2>&1
+
 if [ "$(id -u)" != "0" ]; then
 	echo "You need admin previlege to run this script"
 	echo "Syntaxe: sudo $0"