diff --git a/src/common/entity/sensor_icon.ts b/src/common/entity/sensor_icon.ts
index 7c8d264027..1447b41e31 100644
--- a/src/common/entity/sensor_icon.ts
+++ b/src/common/entity/sensor_icon.ts
@@ -14,6 +14,7 @@ const fixedDeviceClassIcons = {
   power: "hass:flash",
   power_factor: "hass:angle-acute",
   signal_strength: "hass:wifi",
+  timestamp: "hass:clock",
   voltage: "hass:sine-wave",
 };