diff --git a/Marlin/SanityCheck.h b/Marlin/SanityCheck.h
index 8061d4745f..77d7fa0e6a 100644
--- a/Marlin/SanityCheck.h
+++ b/Marlin/SanityCheck.h
@@ -42,11 +42,11 @@
  * the bleeding-edge source code, but sometimes this is not enough. This check
  * forces a minimum config file revision. Otherwise Marlin will not build.
  */
-#if ! defined(CONFIGURATION_H_VERSION) || CONFIGURATION_H_VERSION < REQUIRED_CONFIGURATION_H_VERSION
+#if !defined(CONFIGURATION_H_VERSION) || CONFIGURATION_H_VERSION < REQUIRED_CONFIGURATION_H_VERSION
   #error "You are using an old Configuration.h file, update it before building Marlin."
 #endif
 
-#if ! defined(CONFIGURATION_ADV_H_VERSION) || CONFIGURATION_ADV_H_VERSION < REQUIRED_CONFIGURATION_ADV_H_VERSION
+#if !defined(CONFIGURATION_ADV_H_VERSION) || CONFIGURATION_ADV_H_VERSION < REQUIRED_CONFIGURATION_ADV_H_VERSION
   #error "You are using an old Configuration_adv.h file, update it before building Marlin."
 #endif
 
diff --git a/Marlin/ultralcd_impl_DOGM.h b/Marlin/ultralcd_impl_DOGM.h
index 2bc8f5f695..573b6cd200 100644
--- a/Marlin/ultralcd_impl_DOGM.h
+++ b/Marlin/ultralcd_impl_DOGM.h
@@ -282,9 +282,11 @@ void lcd_printPGM_utf(const char *str, uint8_t n=LCD_WIDTH) {
 
     void lcd_custom_bootscreen() {
       constexpr u8g_uint_t left = (LCD_PIXEL_WIDTH  - (CUSTOM_BOOTSCREEN_BMPWIDTH)) / 2,
-                           top = (LCD_PIXEL_HEIGHT - (CUSTOM_BOOTSCREEN_BMPHEIGHT)) / 2,
-                           right = left + CUSTOM_BOOTSCREEN_BMPWIDTH,
-                           bottom = top + CUSTOM_BOOTSCREEN_BMPHEIGHT;
+                           top = (LCD_PIXEL_HEIGHT - (CUSTOM_BOOTSCREEN_BMPHEIGHT)) / 2;
+      #if ENABLED(CUSTOM_BOOTSCREEN_INVERTED)
+        constexpr u8g_uint_t right = left + CUSTOM_BOOTSCREEN_BMPWIDTH,
+                             bottom = top + CUSTOM_BOOTSCREEN_BMPHEIGHT;
+      #endif
       u8g.firstPage();
       do {
         u8g.drawBitmapP(