diff --git a/Marlin/src/pins/pins_RAMPS_FD_V2.h b/Marlin/src/pins/pins_RAMPS_FD_V2.h
index f33546e637..9fa9750c18 100644
--- a/Marlin/src/pins/pins_RAMPS_FD_V2.h
+++ b/Marlin/src/pins/pins_RAMPS_FD_V2.h
@@ -36,6 +36,7 @@
 #undef INVERTED_FAN_PINS
 
 #define I2C_EEPROM
+#define E2END 0xFFFF // 64K in a 24C512
 
 #ifndef PS_ON_PIN
   #define PS_ON_PIN        12