diff --git a/examples/rtl_433_mqtt_hass.py b/examples/rtl_433_mqtt_hass.py
index cd384ddc..e42d25c8 100755
--- a/examples/rtl_433_mqtt_hass.py
+++ b/examples/rtl_433_mqtt_hass.py
@@ -239,9 +239,9 @@ mappings = {
 
     "moisture": {
         "device_type": "sensor",
-        "object_suffix": "H",
+        "object_suffix": "M",
         "config": {
-            "device_class": "humidity",
+            "device_class": "moisture",
             "name": "Moisture",
             "unit_of_measurement": "%",
             "value_template": "{{ value|float }}",