diff --git a/klippy/extras/tmc2240.py b/klippy/extras/tmc2240.py
index 35d2ce83..d57a93b8 100644
--- a/klippy/extras/tmc2240.py
+++ b/klippy/extras/tmc2240.py
@@ -262,6 +262,9 @@ FieldFormatters.update({
     "adc_temp":         (lambda v: "0x%04x(%.1fC)" % (v, ((v - 2038) / 7.7))),
     "adc_vsupply":      (lambda v: "0x%04x(%.3fV)" % (v, v * 0.009732)),
     "adc_ain":          (lambda v: "0x%04x(%.3fmV)" % (v, v * 0.3052)),
+    "overvoltage_vth":  (lambda v: "0x%04x(%.3fV)" % (v, v * 0.009732)),
+    "overtempprewarning_vth": (lambda v:
+                               "0x%04x(%.1fC)" % (v, ((v - 2038) / 7.7))),
 })