diff --git a/scripts/update.sh b/scripts/update.sh
index 4bd142ebc..ecf7ae0bb 100755
--- a/scripts/update.sh
+++ b/scripts/update.sh
@@ -18,6 +18,8 @@ if [ ${_os} != "Darwin" ] && [ ! -d /www/server/mdserver-web/logs ]; then
 	mkdir -p /www/server/mdserver-web/logs
 fi
 
+LOG_FILE=/var/log/mw-update.log
+
 {
 
 if [ ${_os} == "Darwin" ]; then
@@ -110,4 +112,4 @@ endTime=`date +%s`
 ((outTime=($endTime-$startTime)/60))
 echo -e "Time consumed:\033[32m $outTime \033[0mMinute!"
 
-} 1> >(tee mw-update.log) 2>&1
\ No newline at end of file
+} 1> >(tee $LOG_FILE) 2>&1
\ No newline at end of file