diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index 9436a3ac..ecd8ecf2 100755
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -540,7 +540,7 @@
     #define Z_MULTI_ENDSTOPS
   #endif
     #if ENABLED(Z_MULTI_ENDSTOPS)
-      #if ANY(KNUTWURST_MEGA, KNUTWURST_MEGA_S, KNUTWURST_MEGA_X)
+      #if ANY(KNUTWURST_MEGA, KNUTWURST_MEGA_S, KNUTWURST_MEGA_P, KNUTWURST_MEGA_X)
           #define Z2_USE_ENDSTOP      _XMAX_
       #endif