diff --git a/prometheus/rootfs/etc/cont-init.d/prometheus.sh b/prometheus/rootfs/etc/cont-init.d/prometheus.sh
index 447c78e..7f4f38e 100644
--- a/prometheus/rootfs/etc/cont-init.d/prometheus.sh
+++ b/prometheus/rootfs/etc/cont-init.d/prometheus.sh
@@ -3,4 +3,4 @@
 # Home Assistant Community Add-on: Prometheus
 # Configures Prometheus
 # ==============================================================================
-echo "${HASSIO_TOKEN}" > '/run/home-assistant.token'
+echo "${SUPERVISOR_TOKEN}" > '/run/home-assistant.token'