diff --git a/prometheus/rootfs/etc/cont-init.d/prometheus.sh b/prometheus/rootfs/etc/cont-init.d/prometheus.sh
index eede632..d4d0dbe 100755
--- a/prometheus/rootfs/etc/cont-init.d/prometheus.sh
+++ b/prometheus/rootfs/etc/cont-init.d/prometheus.sh
@@ -6,5 +6,6 @@
 echo "${SUPERVISOR_TOKEN}" > '/run/home-assistant.token'
 
 mkdir -p /data/prometheus
+chown prometheus:prometheus /data/prometheus
 find /data/prometheus -not -perm 0644 -type f -exec chmod 0660 {} \;
 find /data/prometheus -not -perm 0755 -type d -exec chmod 0770 {} \;