diff --git a/osm-garmin/app/daemon.sh b/osm-garmin/app/daemon.sh
index 9934671..1863911 100644
--- a/osm-garmin/app/daemon.sh
+++ b/osm-garmin/app/daemon.sh
@@ -5,6 +5,8 @@
 sleep_time=3600
 sleep_time_fail=60
 
+[[ -n $OSMGARMIN_DAEMON_SLEEP ]] && sleep_time=$OSMGARMIN_DAEMON_SLEEP
+
 function wait() {
     delay="$1"
     echo "💤 Sleeping $delay seconds..."