From d504bbbfa46bab8f3fed5b18e97ca94911d6b2b5 Mon Sep 17 00:00:00 2001
From: Roxy-3D <Roxy-3D@users.noreply.github.com>
Date: Wed, 21 Feb 2018 13:49:12 -0600
Subject: [PATCH] Fix botched check for being off the mesh...

---
 Marlin/src/feature/bedlevel/ubl/ubl.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Marlin/src/feature/bedlevel/ubl/ubl.h b/Marlin/src/feature/bedlevel/ubl/ubl.h
index e6832bb2f7..78bae71475 100644
--- a/Marlin/src/feature/bedlevel/ubl/ubl.h
+++ b/Marlin/src/feature/bedlevel/ubl/ubl.h
@@ -291,7 +291,7 @@ class unified_bed_leveling {
        * UBL_Z_RAISE_WHEN_OFF_MESH is specified, that value is returned.
        */
       #ifdef UBL_Z_RAISE_WHEN_OFF_MESH
-        if (!WITHIN(rx0, 0, GRID_MAX_POINTS_X - 1) || !WITHIN(ry0, 0, GRID_MAX_POINTS_Y - 1))
+        if (!WITHIN(rx0, MESH_MIN_X, MESH_MAX_X) || !WITHIN(ry0, MESH_MIN_Y, MESH_MAX_Y))
           return UBL_Z_RAISE_WHEN_OFF_MESH;
       #endif
 
-- 
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