diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index 435706e8dc..3ad615e3ca 100644
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -3379,11 +3379,11 @@
 #endif
 
 /**
- * Modern replacement for the Prusa TMC_Z_CALIBRATION
- * Adds capability to work with any adjustable current drivers
- * Implements as G34 as M915 is deprecated
+ * Mechanical Gantry Calibration
+ * Modern replacement for the Prusa TMC_Z_CALIBRATION.
+ * Adds capability to work with any adjustable current drivers.
+ * Implemented as G34 because M915 is deprecated.
  */
-
 //#define MECHANICAL_GANTRY_CALIBRATION
 #if ENABLED(MECHANICAL_GANTRY_CALIBRATION)
   #define GANTRY_CALIBRATION_CURRENT          600                   // Default calibration current in ma
diff --git a/buildroot/tests/DUE-tests b/buildroot/tests/DUE-tests
index 7f488f6126..be0c21ab9b 100755
--- a/buildroot/tests/DUE-tests
+++ b/buildroot/tests/DUE-tests
@@ -13,7 +13,7 @@ opt_set TEMP_SENSOR_0 -2
 opt_set TEMP_SENSOR_BED 2
 opt_set GRID_MAX_POINTS_X 16
 opt_set FANMUX0_PIN 53
-opt_enable S_CURVE_ACCELERATION EEPROM_SETTINGS GCODE_MACROS \
+opt_enable S_CURVE_ACCELERATION EEPROM_SETTINGS GCODE_MACROS MECHANICAL_GANTRY_CALIBRATION \
            FIX_MOUNTED_PROBE Z_SAFE_HOMING CODEPENDENT_XY_HOMING ASSISTED_TRAMMING \
            EEPROM_SETTINGS SDSUPPORT BINARY_FILE_TRANSFER \
            BLINKM PCA9533 PCA9632 RGB_LED RGB_LED_R_PIN RGB_LED_G_PIN RGB_LED_B_PIN LED_CONTROL_MENU \