diff --git a/README.md b/README.md
index a516bde..6896387 100644
--- a/README.md
+++ b/README.md
@@ -141,6 +141,7 @@ sys_clock_speed = True
 swap = True
 memory = True
 uptime = True
+uptime_seconds = False
 wifi_signal = False
 wifi_signal_dbm = False
 rpi5_fan_speed = False
diff --git a/src/rpi-cpu2mqtt.py b/src/rpi-cpu2mqtt.py
index ff6f2d6..0e3f19d 100644
--- a/src/rpi-cpu2mqtt.py
+++ b/src/rpi-cpu2mqtt.py
@@ -272,7 +272,7 @@ def config_json(what_config):
         data["icon"] = "mdi:calendar"
         data["name"] = "Uptime"
         data["unit_of_measurement"] = "days"
-        data["state_class"] = "measurement"
+        data["state_class"] = "total_increasing"
     elif what_config == "uptime_seconds":
         data["icon"] = "mdi:timer-outline"
         data["name"] = "Uptime"