diff --git a/rootfs/etc/s6-overlay/s6-rc.d/readsb/finish b/rootfs/etc/s6-overlay/s6-rc.d/readsb/finish
index d42b555..a53ac1f 100755
--- a/rootfs/etc/s6-overlay/s6-rc.d/readsb/finish
+++ b/rootfs/etc/s6-overlay/s6-rc.d/readsb/finish
@@ -1,2 +1,3 @@
 #!/bin/sh
 rm -rf /run/readsb
+rm -f /run/readsb-prometheus.prom