diff --git a/Marlin/src/pins/stm32f4/pins_CREALITY_V24S1_301F4.h b/Marlin/src/pins/stm32f4/pins_CREALITY_V24S1_301F4.h
index fa524464e3..40ea8ae9bc 100644
--- a/Marlin/src/pins/stm32f4/pins_CREALITY_V24S1_301F4.h
+++ b/Marlin/src/pins/stm32f4/pins_CREALITY_V24S1_301F4.h
@@ -37,4 +37,6 @@
 
 #define EEPROM_EXCL_ZONE 916,926  // Ender-3S1 STM32F401 Bootloader EEPROM exclusion zone
 
+#define EXP3_03_PIN                         PA2
+
 #include "../stm32f1/pins_CREALITY_V24S1_301.h"