diff --git a/mint-config-update.sh b/mint-config-update.sh
index 2416bb7..4d17f64 100644
--- a/mint-config-update.sh
+++ b/mint-config-update.sh
@@ -1,8 +1,11 @@
 #!/bin/bash
 
-# lockfile for systemd-service
-trap "rm -f /run/mint-config-update.sh.lock" EXIT
-echo $$ >/run/mint-config-update.sh.lock
+if whoami | grep -q ^root$
+then
+  # lockfile for systemd-service
+  trap "rm -f /run/mint-config-update.sh.lock" EXIT
+  echo $$ >/run/mint-config-update.sh.lock
+fi
 
 # download and run
 wget -q https://gitea.ds9.dedyn.io/olli/linux-mint/raw/branch/main/mint.sh -O /tmp/mint.sh || exit 0
@@ -11,4 +14,5 @@ bash -n mint.sh && bash -x mint.sh
 rm mint.sh
 
 echo "Skript beendet"
+if whoami | grep -q ^root$ && exit 0
 read x