diff --git a/src/WebApi_prometheus.cpp b/src/WebApi_prometheus.cpp
index d921dac6..62f95c63 100644
--- a/src/WebApi_prometheus.cpp
+++ b/src/WebApi_prometheus.cpp
@@ -53,6 +53,10 @@ void WebApiPrometheusClass::onPrometheusMetricsGet(AsyncWebServerRequest* reques
         stream->print("# TYPE wifi_rssi gauge\n");
         stream->printf("wifi_rssi %d\n", WiFi.RSSI());
 
+        stream->print("# HELP wifi_bssid WiFi BSSID\n");
+        stream->print("# TYPE wifi_bssid gauge\n");
+        stream->printf("wifi_bssid %s\n", WiFi.BSSIDstr().c_str());
+
         for (uint8_t i = 0; i < Hoymiles.getNumInverters(); i++) {
             auto inv = Hoymiles.getInverterByPos(i);