From 3db2fecaa443634f80203b0762d503b7c706951e Mon Sep 17 00:00:00 2001
From: ellensp <530024+ellensp@users.noreply.github.com>
Date: Sun, 27 Feb 2022 11:50:17 +1300
Subject: [PATCH] =?UTF-8?q?=F0=9F=94=A7=20SHOW=5FCUSTOM=5FBOOTSCREEN=20san?=
 =?UTF-8?q?ity-check=20(#23807)?=
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---
 Marlin/src/inc/SanityCheck.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Marlin/src/inc/SanityCheck.h b/Marlin/src/inc/SanityCheck.h
index 9c74ce32db..7b335dc929 100644
--- a/Marlin/src/inc/SanityCheck.h
+++ b/Marlin/src/inc/SanityCheck.h
@@ -860,6 +860,8 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
  */
 #if ENABLED(SHOW_CUSTOM_BOOTSCREEN) && NONE(HAS_MARLINUI_U8GLIB, TOUCH_UI_FTDI_EVE)
   #error "SHOW_CUSTOM_BOOTSCREEN requires Graphical LCD or TOUCH_UI_FTDI_EVE."
+#elif ENABLED(SHOW_CUSTOM_BOOTSCREEN) && DISABLED(SHOW_BOOTSCREEN)
+  #error "SHOW_CUSTOM_BOOTSCREEN requires SHOW_BOOTSCREEN."
 #elif ENABLED(CUSTOM_STATUS_SCREEN_IMAGE) && !HAS_MARLINUI_U8GLIB
   #error "CUSTOM_STATUS_SCREEN_IMAGE requires a 128x64 DOGM B/W Graphical LCD."
 #endif