diff --git a/src/common/const.ts b/src/common/const.ts
index 2bd338c895..dd4eace281 100644
--- a/src/common/const.ts
+++ b/src/common/const.ts
@@ -63,6 +63,7 @@ export const FIXED_DEVICE_CLASS_ICONS = {
   humidity: "hass:water-percent",
   illuminance: "hass:brightness-5",
   temperature: "hass:thermometer",
+  monetary: "mdi:cash",
   pressure: "hass:gauge",
   power: "hass:flash",
   power_factor: "hass:angle-acute",
diff --git a/src/util/hass-attributes-util.ts b/src/util/hass-attributes-util.ts
index 7a9bc9c232..73fa60cd4e 100644
--- a/src/util/hass-attributes-util.ts
+++ b/src/util/hass-attributes-util.ts
@@ -60,6 +60,7 @@ const hassAttributeUtil = {
       "power",
       "power_factor",
       "pressure",
+      "monetary",
       "signal_strength",
       "temperature",
       "timestamp",