diff --git a/Marlin/src/lcd/anycubic_touchscreen.h b/Marlin/src/lcd/anycubic_touchscreen.h
index cb397e64..984fd091 100755
--- a/Marlin/src/lcd/anycubic_touchscreen.h
+++ b/Marlin/src/lcd/anycubic_touchscreen.h
@@ -37,7 +37,11 @@ char *ftostr32(const float &);
 #define MSG_MY_VERSION CUSTOM_BUILD_VERSION
 #define MAX_PRINTABLE_FILENAME_LEN 30
 
-#define FILAMENT_RUNOUT_PIN 19
+#if ENABLED(KNUTWURST_CHIRON)
+  #define FILAMENT_RUNOUT_PIN 33
+#else
+  #define FILAMENT_RUNOUT_PIN 19
+#endif
 
 #define ANYCUBIC_TFT_STATE_IDLE 0
 #define ANYCUBIC_TFT_STATE_SDPRINT 1