From dea37780ca8bd4fca93e6a097faebc2e00d1ec4e Mon Sep 17 00:00:00 2001
From: 7eggert <7eggert@gmx.de>
Date: Thu, 14 Feb 2019 03:43:39 +0100
Subject: [PATCH] Fix LCD button / newbutton issue (#13157)

---
 Marlin/ultralcd.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/Marlin/ultralcd.cpp b/Marlin/ultralcd.cpp
index f605f8e3a3..fa2ce70e4a 100644
--- a/Marlin/ultralcd.cpp
+++ b/Marlin/ultralcd.cpp
@@ -5606,15 +5606,14 @@ void lcd_reset_alert_level() { lcd_status_message_level = 0; }
 
         #endif // LCD_HAS_DIRECTIONAL_BUTTONS
 
-        buttons = newbutton;
         #if ENABLED(LCD_HAS_SLOW_BUTTONS)
-          buttons |= slow_buttons;
+          newbutton |= slow_buttons;
         #endif
+        buttons = newbutton;
 
         #if ENABLED(ADC_KEYPAD)
 
           uint8_t newbutton_reprapworld_keypad = 0;
-          buttons = 0;
           if (buttons_reprapworld_keypad == 0) {
             newbutton_reprapworld_keypad = get_ADC_keyValue();
             if (WITHIN(newbutton_reprapworld_keypad, 1, 8))