diff --git a/Marlin/src/lcd/thermistornames.h b/Marlin/src/lcd/thermistornames.h
index d143de5719..bb210b2dde 100644
--- a/Marlin/src/lcd/thermistornames.h
+++ b/Marlin/src/lcd/thermistornames.h
@@ -116,5 +116,7 @@
   #define THERMISTOR_NAME "Dummy 1"
 #elif THERMISTOR_ID == 999
   #define THERMISTOR_NAME "Dummy 2"
+#elif THERMISTOR_ID == 1000
+  #define THERMISTOR_NAME "Custom"
 
 #endif // THERMISTOR_ID