diff --git a/homeassistant/components/systemmonitor/sensor.py b/homeassistant/components/systemmonitor/sensor.py
index 8bbdae820e3..a05601caa02 100644
--- a/homeassistant/components/systemmonitor/sensor.py
+++ b/homeassistant/components/systemmonitor/sensor.py
@@ -307,6 +307,7 @@ CPU_SENSOR_PREFIXES = [
     "soc_thermal 1",
     "Tctl",
     "cpu0-thermal",
+    "cpu0_thermal",
 ]