diff --git a/init/docker/docker-compose.env.example b/init/docker/docker-compose.env.example
index 3722ef22..387629f3 100644
--- a/init/docker/docker-compose.env.example
+++ b/init/docker/docker-compose.env.example
@@ -11,6 +11,7 @@ GRAFANA_PASSWORD=grafanaadmin
 #unifi-poller
 POLLER_TAG=latest
 POLLER_DEBUG=false
+POLLER_SAVE_DPI=false
 UNIFI_USER=unifipoller
 UNIFI_PASS=set_this_on_your_controller
 UNIFI_URL=https://127.0.0.1:8443
diff --git a/init/docker/docker-compose.yml b/init/docker/docker-compose.yml
index 6a0c7725..a1fd8630 100644
--- a/init/docker/docker-compose.yml
+++ b/init/docker/docker-compose.yml
@@ -51,6 +51,7 @@ services:
       - UP_UNIFI_DEFAULT_PASS=${UNIFI_PASS}
       - UP_UNIFI_DEFAULT_URL=${UNIFI_URL}
       - UP_POLLER_DEBUG=${POLLER_DEBUG}
+      - UP_UNIFI_DEFAULT_SAVE_DPI=${POLLER_SAVE_DPI}
 volumes:
   influxdb-storage:
   chronograf-storage: