diff --git a/salt/curator/files/bin/so-curator-close b/salt/curator/files/bin/so-curator-close
index 11324dd31..b03d99e31 100644
--- a/salt/curator/files/bin/so-curator-close
+++ b/salt/curator/files/bin/so-curator-close
@@ -1,2 +1,12 @@
 #!/bin/bash
+
+APP=closeddelete
+lf=/tmp/$APP-pidLockFile
+# create empty lock file if none exists
+cat /dev/null >> $lf
+read lastPID < $lf
+# if lastPID is not null and a process with that pid exists , exit
+[ ! -z "$lastPID" -a -d /proc/$lastPID ] && exit
+echo $$ > $lf
+
 /usr/sbin/so-curator-closed-delete > /dev/null 2>&1; docker exec so-curator curator --config /etc/curator/config/curator.yml /etc/curator/action/so-zeek-close.yml > /dev/null 2>&1; docker exec so-curator curator --config /etc/curator/config/curator.yml /etc/curator/action/so-beats-close.yml > /dev/null 2>&1; docker exec so-curator curator --config /etc/curator/config/curator.yml /etc/curator/action/so-firewall-close.yml > /dev/null 2>&1; docker exec so-curator curator --config /etc/curator/config/curator.yml /etc/curator/action/so-ids-close.yml > /dev/null 2>&1; docker exec so-curator curator --config /etc/curator/config/curator.yml /etc/curator/action/so-import-close.yml > /dev/null 2>&1; docker exec so-curator curator --config /etc/curator/config/curator.yml /etc/curator/action/so-osquery-close.yml > /dev/null 2>&1; docker exec so-curator curator --config /etc/curator/config/curator.yml /etc/curator/action/so-ossec-close.yml > /dev/null 2>&1; docker exec so-curator curator --config /etc/curator/config/curator.yml /etc/curator/action/so-strelka-close.yml > /dev/null 2>&1; docker exec so-curator curator --config /etc/curator/config/curator.yml /etc/curator/action/so-syslog-close.yml > /dev/null 2>&1