diff --git a/Marlin/src/inc/SanityCheck.h b/Marlin/src/inc/SanityCheck.h
index 8847e4d6af..c30accae42 100644
--- a/Marlin/src/inc/SanityCheck.h
+++ b/Marlin/src/inc/SanityCheck.h
@@ -1553,7 +1553,7 @@ static_assert(COUNT(arm) == LOGICAL_AXES, "AXIS_RELATIVE_MODES must contain " _L
   #error "SCARA machines can only use AUTO_BED_LEVELING_BILINEAR or MESH_BED_LEVELING."
 #elif ENABLED(AUTO_BED_LEVELING_LINEAR) && !(WITHIN(GRID_MAX_POINTS_X, 2, 255) && WITHIN(GRID_MAX_POINTS_Y, 2, 255))
   #error "GRID_MAX_POINTS_[XY] must be between 2 and 255 with AUTO_BED_LEVELING_LINEAR."
-#elif ENABLED(AUTO_BED_LEVELING_BILINEAR) && !(WITHIN(GRID_MAX_POINTS_X, 3, 255) && WITHIN(GRID_MAX_POINTS_Y, 3, 255))
+#elif ENABLED(AUTO_BED_LEVELING_BILINEAR) && !(WITHIN(GRID_MAX_POINTS_X, 2, 255) && WITHIN(GRID_MAX_POINTS_Y, 2, 255))
   #error "GRID_MAX_POINTS_[XY] must be between 3 and 255 with AUTO_BED_LEVELING_BILINEAR."
 #elif ENABLED(AUTO_BED_LEVELING_UBL)
   #if ENABLED(POLAR)