From 524cc392f49aff4da789203d8c6467b2f3422e4b Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Mon, 30 Apr 2018 21:09:50 -0500
Subject: [PATCH] Fix sd_status comparison

Co-Authored-By: perkmeister <perkmeister@users.noreply.github.com>
---
 Marlin/src/lcd/ultralcd.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Marlin/src/lcd/ultralcd.cpp b/Marlin/src/lcd/ultralcd.cpp
index 788ba91bb..aab912791 100644
--- a/Marlin/src/lcd/ultralcd.cpp
+++ b/Marlin/src/lcd/ultralcd.cpp
@@ -5123,10 +5123,10 @@ void lcd_update() {
 
   #if ENABLED(SDSUPPORT) && PIN_EXISTS(SD_DETECT)
 
-    const bool sd_status = IS_SD_INSERTED;
+    const uint8_t sd_status = (uint8_t)IS_SD_INSERTED;
     if (sd_status != lcd_sd_status && lcd_detected()) {
 
-      bool old_sd_status = lcd_sd_status; // prevent re-entry to this block!
+      uint8_t old_sd_status = lcd_sd_status; // prevent re-entry to this block!
       lcd_sd_status = sd_status;
 
       if (sd_status) {