diff --git a/pcs_online.sh b/pcs_online.sh
index d4178b0..4715b50 100755
--- a/pcs_online.sh
+++ b/pcs_online.sh
@@ -4,6 +4,7 @@ script_name="$(basename $(realpath $0))"
 working_dir="$(dirname $(realpath $0))"
 
 conf_file="${working_dir}/conf/${script_name%%.*}.conf"
+LOCK_DIR="$(mktemp -d)"
 
 
 # ----------
@@ -158,10 +159,6 @@ containsElement () {
 # -
 trap clean_up SIGHUP SIGINT SIGTERM
 
-# - Create lock directory '$LOCK_DIR"
-#
-mkdir "$LOCK_DIR"
-
 
 # ----------
 # - Some checks ..