diff --git a/ground/src/shared/uavobjectdefinition/systemstats.xml b/ground/src/shared/uavobjectdefinition/systemstats.xml
index ee4fb2a9a..118bcb244 100644
--- a/ground/src/shared/uavobjectdefinition/systemstats.xml
+++ b/ground/src/shared/uavobjectdefinition/systemstats.xml
@@ -4,7 +4,7 @@
         <field name="FlightTime" units="ms" type="uint32" elements="1"/>
         <field name="HeapRemaining" units="bytes" type="uint16" elements="1"/>
         <field name="CPULoad" units="%" type="uint8" elements="1"/>
-        <field name="CPUTemp" units="C" type="uint8" elements="1"/>
+        <field name="CPUTemp" units="C" type="int8" elements="1"/>
         <access gcs="readwrite" flight="readwrite"/>
         <telemetrygcs acked="false" updatemode="manual" period="0"/>
         <telemetryflight acked="false" updatemode="periodic" period="1000"/>