From b9f7d721ed9e03ca8216c90016d6cc7082e13163 Mon Sep 17 00:00:00 2001
From: ellensp <530024+ellensp@users.noreply.github.com>
Date: Sun, 20 Oct 2024 16:42:51 +1300
Subject: [PATCH] =?UTF-8?q?=F0=9F=94=A7=20Better=20BABYSTEP=5FMULTIPLICATO?=
 =?UTF-8?q?R=5FZ=20sanity-checks=20(#27471)?=
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---
 Marlin/src/inc/SanityCheck.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Marlin/src/inc/SanityCheck.h b/Marlin/src/inc/SanityCheck.h
index 9a8efb0b82..1e27c1fd1c 100644
--- a/Marlin/src/inc/SanityCheck.h
+++ b/Marlin/src/inc/SanityCheck.h
@@ -500,10 +500,12 @@ static_assert(COUNT(arm) == LOGICAL_AXES, "AXIS_RELATIVE_MODES must contain " _L
   #elif ENABLED(BABYSTEP_XY) && !defined(BABYSTEP_MULTIPLICATOR_XY)
     #error "BABYSTEP_XY requires BABYSTEP_MULTIPLICATOR_XY."
   #elif ENABLED(BABYSTEP_MILLIMETER_UNITS)
-    static_assert(BABYSTEP_MULTIPLICATOR_Z <= 0.1f, "BABYSTEP_MULTIPLICATOR_Z must be less or equal to 0.1mm.");
+    static_assert(BABYSTEP_MULTIPLICATOR_Z <= 0.1f, "BABYSTEP_MULTIPLICATOR_Z with BABYSTEP_MILLIMETER_UNITS must be less or equal to 0.1mm.");
     #if ENABLED(BABYSTEP_XY)
       static_assert(BABYSTEP_MULTIPLICATOR_XY <= 0.25f, "BABYSTEP_MULTIPLICATOR_XY must be less than or equal to 0.25mm.");
     #endif
+  #else
+    static_assert(BABYSTEP_MULTIPLICATOR_Z && BABYSTEP_MULTIPLICATOR_Z == int(BABYSTEP_MULTIPLICATOR_Z), "BABYSTEP_MULTIPLICATOR_Z must be a non-zero integer.");
   #endif
 #endif