diff --git a/mint-config-update.sh b/mint-config-update.sh
index 535d7f0..4949930 100644
--- a/mint-config-update.sh
+++ b/mint-config-update.sh
@@ -5,6 +5,12 @@ then
   # lockfile for systemd-service
   trap "rm -f /run/mint-config-update.sh.lock" EXIT
   echo $$ >/run/mint-config-update.sh.lock
+  if find /var/log/mint-config-update.sh.log -mmin +60 -ls | grep -q /var/log/mint-config-update.sh.log
+  then
+    echo "$0 was running already in the last 60 minutes"
+    rm -f /run/mint-config-update.sh.lock
+    sleep 60
+  fi
 fi
 
 # download and run