diff --git a/etc/systemd/system/pingfinder.service b/etc/systemd/system/pingfinder.service
index 4025882..6185a39 100644
--- a/etc/systemd/system/pingfinder.service
+++ b/etc/systemd/system/pingfinder.service
@@ -4,10 +4,7 @@ Description=Pingfinder
 [Service]
 Type=oneshot
 
-Environment=WARNLOCK=$CACHE_DIRECTORY/warn.lock
-Environment=LOCKFILE=$CACHE_DIRECTORY/exec.lock
-Environment=UUID=[...]
+Environment=UUID=pingfinder_uuid
 ExecStart=/usr/local/bin/pingfinder.sh
 
 DynamicUser=yes
-CacheDirectory=pingfinder