diff --git a/Marlin/src/HAL/AVR/pinsDebug.h b/Marlin/src/HAL/AVR/pinsDebug.h
index c833964a29..ce801333a2 100644
--- a/Marlin/src/HAL/AVR/pinsDebug.h
+++ b/Marlin/src/HAL/AVR/pinsDebug.h
@@ -45,7 +45,7 @@
 
 #define NUMBER_PINS_TOTAL NUM_DIGITAL_PINS
 
-#if MB(BQ_ZUM_MEGA_3D, MIGHTYBOARD_REVE, MINIRAMBO, SCOOVO_X9H, TRIGORILLA_14)
+#if MB(BQ_ZUM_MEGA_3D, MIGHTYBOARD_REVE, MINIRAMBO, SCOOVO_X9H, TRIGORILLA_14, MIGHTYBOARD_REVG)
   #define AVR_ATmega2560_FAMILY_PLUS_70 1
 #endif
 
diff --git a/Marlin/src/HAL/AVR/pinsDebug_plus_70.h b/Marlin/src/HAL/AVR/pinsDebug_plus_70.h
index 6565acd523..46fe45c1f8 100644
--- a/Marlin/src/HAL/AVR/pinsDebug_plus_70.h
+++ b/Marlin/src/HAL/AVR/pinsDebug_plus_70.h
@@ -25,7 +25,7 @@
  * Structures for 2560 family boards that use more than 70 pins
  */
 
-#if MB(BQ_ZUM_MEGA_3D, MINIRAMBO, SCOOVO_X9H, TRIGORILLA_14)
+#if MB(BQ_ZUM_MEGA_3D, MINIRAMBO, SCOOVO_X9H, TRIGORILLA_14, MIGHTYBOARD_REVG)
   #undef NUM_DIGITAL_PINS
   #define NUM_DIGITAL_PINS            85
 #elif MB(MIGHTYBOARD_REVE)