diff --git a/scripts/run_tower_level_b1.sh b/scripts/run_tower_level_b1.sh
index d2f2ceacdbf46cd73842dccf5d58ccea61d7f834..bbac64e51e08efa61727569bfc343ac0a49f215d 100755
--- a/scripts/run_tower_level_b1.sh
+++ b/scripts/run_tower_level_b1.sh
@@ -12,7 +12,7 @@ DATE=$1
 if [ -z "$DATE" ]; then
    DATE=`date +%Y%m%d`
 fi
-LOCK="${ENV}/locks/${SCRIPT_NAME}.lock"
+LOCK="${LOCKDIR}/${SCRIPT_NAME}.lock"
 logfile="${LOGDIR}/${SCRIPT_NAME}.log"
 
 if [ ! -d $LOGDIR ]; then