diff --git a/save-log.sh b/save-log.sh
index 4957198..0a79ca0 100755
--- a/save-log.sh
+++ b/save-log.sh
@@ -1,4 +1,5 @@
-#!/bin/bash
+#!/usr/bin/dash
+#!/bin/sh
 #
 SCRIPT_NAME="save-log.sh"
 #
@@ -12,7 +13,7 @@ SCRIPT_NAME="save-log.sh"
 #
 # $ sudo ./edit-options.sh
 #
-if [[ $EUID -ne 0 ]]; then
+if [ "$(id -u)" -ne 0 ]; then
 	echo "You must run this script with superuser (root) privileges."
 	echo "Try: \"sudo ./${SCRIPT_NAME}\""
 	exit 1
@@ -24,7 +25,7 @@ rm -f -- rtw.log
 dmesg | cut -d"]" -f2- | grep "RTW" >> rtw.log
 RESULT=$?
 
-if [[ "$RESULT" != "0" ]]; then
+if [ "$RESULT" != "0" ]; then
 	echo "An error occurred while running: ${SCRIPT_NAME}"
 	echo "Did you set a log level > 0 ?"
 	exit 1