diff --git a/Tools/AP_Periph/can.cpp b/Tools/AP_Periph/can.cpp
index 934cf2d598..6c73bbdeb6 100644
--- a/Tools/AP_Periph/can.cpp
+++ b/Tools/AP_Periph/can.cpp
@@ -1620,7 +1620,7 @@ void AP_Periph_FW::hwesc_telem_update()
     pkt.esc_index = g.esc_number;
     pkt.voltage = t.voltage;
     pkt.current = t.current;
-    pkt.temperature = MAX(t.mos_temperature, t.cap_temperature);
+    pkt.temperature = C_TO_KELVIN(MAX(t.mos_temperature, t.cap_temperature));
     pkt.rpm = t.rpm;
     pkt.power_rating_pct = t.phase_current;
     pkt.error_count = t.error_count;