diff --git a/Marlin/src/pins/ramps/pins_RAMPS.h b/Marlin/src/pins/ramps/pins_RAMPS.h
index f6ee75c6..283bac1b 100755
--- a/Marlin/src/pins/ramps/pins_RAMPS.h
+++ b/Marlin/src/pins/ramps/pins_RAMPS.h
@@ -289,10 +289,24 @@
 
 #if ANY(KNUTWURST_CHIRON, KNUTWURST_4MAXP2)
   #define FIL_RUNOUT_PIN 33
+  #ifndef Z2_STEP_PIN 
+    #define Z2_STEP_PIN                         46
+  #endif
+  #ifndef Z2_DIR_PIN
+      #define Z2_DIR_PIN                        48
+  #endif
+  #ifndef Z2_ENABLE_PIN
+      #define Z2_ENABLE_PIN                     62
+  #endif
+  #ifndef Z2_CS_PIN
+      #define Z2_CS_PIN                         40
+  #endif
 #else
   #define FIL_RUNOUT_PIN 19
 #endif
 
+
+
 #ifndef PS_ON_PIN
   #define PS_ON_PIN                           12
 #endif