diff --git a/prometheusd.sh b/prometheusd.sh
index 91e11b1..5e6331e 100755
--- a/prometheusd.sh
+++ b/prometheusd.sh
@@ -6,11 +6,11 @@ pid=/tmp/prometheus.pid
 
 case $1 in
   start)
-    test -f $tmp && echo "prometheus-exporter already running"
-    daemonize -c /tmp -p $tmp -l $tmp -u knot /usr/bin/knot-prometheus-exporter ${STATS}
+    test -f $pid && echo "prometheus-exporter already running"
+    daemonize -c /tmp -p $pid -l $pid -u knot /usr/bin/knot-prometheus-exporter ${STATS}
     ;;
   stop)
-    test -f $tmp && cat $tmp | xargs -r kill
-    rm -f $tmp
+    test -f $pid && cat $pid | xargs -r kill
+    rm -f $pid
     ;;
 esac