From 7ed9967245957cd1b676a2f4dba853cc362a044f Mon Sep 17 00:00:00 2001
From: Franck Nijhof <git@frenck.dev>
Date: Thu, 26 Jan 2023 17:26:52 +0100
Subject: [PATCH] Fix state classes for duration device class (#86727)

---
 homeassistant/components/sensor/const.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/homeassistant/components/sensor/const.py b/homeassistant/components/sensor/const.py
index 93fccbab124..4fb63140506 100644
--- a/homeassistant/components/sensor/const.py
+++ b/homeassistant/components/sensor/const.py
@@ -513,7 +513,7 @@ DEVICE_CLASS_STATE_CLASSES: dict[SensorDeviceClass, set[SensorStateClass | None]
     SensorDeviceClass.DATA_SIZE: set(SensorStateClass),
     SensorDeviceClass.DATE: set(),
     SensorDeviceClass.DISTANCE: set(SensorStateClass),
-    SensorDeviceClass.DURATION: set(),
+    SensorDeviceClass.DURATION: set(SensorStateClass),
     SensorDeviceClass.ENERGY: {
         SensorStateClass.TOTAL,
         SensorStateClass.TOTAL_INCREASING,