diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index e404c389..263a2a74 100755
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -864,7 +864,7 @@
 #endif
 
 #if ENABLED(KNUTWURST_MEGA_S)
-    #define DEFAULT_AXIS_STEPS_PER_UNIT   { 80, 80, 400, 400 }
+    #define DEFAULT_AXIS_STEPS_PER_UNIT   { 80, 80, 400, 393 }
 #endif
 
 #if ENABLED(KNUTWURST_MEGA_X)