diff --git a/Marlin/src/inc/Conditionals_LCD.h b/Marlin/src/inc/Conditionals_LCD.h
index b818c16f94..9c91107462 100644
--- a/Marlin/src/inc/Conditionals_LCD.h
+++ b/Marlin/src/inc/Conditionals_LCD.h
@@ -488,7 +488,7 @@
   #ifndef LCD_SERIAL_PORT
     #if MB(BTT_SKR_MINI_E3_V1_0, BTT_SKR_MINI_E3_V1_2, BTT_SKR_MINI_E3_V2_0, BTT_SKR_MINI_E3_V3_0, BTT_SKR_E3_TURBO)
       #define LCD_SERIAL_PORT 1
-    #elif MB(CREALITY_V24S1_301, CREALITY_V24S1_301F4)
+    #elif MB(CREALITY_V24S1_301, CREALITY_V24S1_301F4, CREALITY_V423)
       #define LCD_SERIAL_PORT 2 // Creality Ender3S1 board
     #else
       #define LCD_SERIAL_PORT 3 // Creality 4.x board