diff --git a/src/sbbs3/mqtt.c b/src/sbbs3/mqtt.c
index 1c1adf35d77137be46b7d98f0e90ca1058c3401d..664f0675befa2c06d5d550cd465d88d13dec2961 100644
--- a/src/sbbs3/mqtt.c
+++ b/src/sbbs3/mqtt.c
@@ -651,6 +651,7 @@ int mqtt_startup(struct mqtt* mqtt, scfg_t* cfg, struct startup* startup, const
 	mqtt_pub_strval(mqtt, TOPIC_HOST_LEVEL, NULL, startup->host_name);
 	mqtt_pub_strval(mqtt, TOPIC_SERVER, "version", version);
 	mqtt_pub_uintval(mqtt, TOPIC_SERVER, "served", mqtt->served);
+	mqtt_pub_uintval(mqtt, TOPIC_SERVER, "highwater", 0);
 	mqtt_pub_uintval(mqtt, TOPIC_SERVER, "error_count", mqtt->error_count);
 
 #ifdef USE_MOSQUITTO