diff --git a/scripts/backstep-traceback-auto b/scripts/backstep-traceback-auto
index 1cc481c2e079178ff9ae74b102c8c42641adac54..abdec7f94c05b55de325427165b3d69b9f43cd7c 100755
--- a/scripts/backstep-traceback-auto
+++ b/scripts/backstep-traceback-auto
@@ -19,16 +19,6 @@
 
 export PATH="$PATH:/sbin:/usr/sbin"
 
-# Legacy crontab support
-case ${0##*/} in
-	backup-daily)
-		PERIOD="daily"
-		;;
-	backup-weekly)
-		PERIOD="weekly"
-		;;
-esac
-
 # Parse options
 OPTIND=1
 while getopts ":o:v" OPTION
@@ -45,9 +35,12 @@ done
 # Remove option from parameters
 shift $(expr $OPTIND - 1)
 
-if [ -z "$PERIOD" -a -n "$1" ]
+if [ -n "$1" ]
 then
 	PERIOD="$1"
+else
+	echo "ERROR: You need to specify a period [daily or weekly]."
+	exit 1
 fi
 
 if [ -e /etc/backstep-traceback/${PERIOD}.conf ]