diff --git a/printer_data/config/TOOLHEAD/bed_mesh.cfg b/printer_data/config/TOOLHEAD/bed_mesh.cfg
index ce5090e..8a78cee 100644
--- a/printer_data/config/TOOLHEAD/bed_mesh.cfg
+++ b/printer_data/config/TOOLHEAD/bed_mesh.cfg
@@ -9,7 +9,7 @@ algorithm = bicubic
 ##[(5x5)-1] / 2 = 12
 ##[(9x9)-1] / 2 = 40
 #relative_reference_index: 40
-zero_reference_position: 175, 175
+zero_reference_position: { printer.toolhead.axis_maximum.x/2 }, { printer.toolhead.axis_maximum.y/2 }
 #relative_reference_index: 15
 split_delta_z = 0.0125