From e71c2b78c45341cc19253c5b9792cc8ba9552321 Mon Sep 17 00:00:00 2001
From: GadgetAngel <joanmanges@gmail.com>
Date: Mon, 9 Nov 2020 21:16:44 -0500
Subject: [PATCH] Support neg temps on TEMP_SENSOR_1 for MAX31855

---
 Marlin/src/module/temperature.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Marlin/src/module/temperature.cpp b/Marlin/src/module/temperature.cpp
index f582ff0af6..5aed1f428b 100644
--- a/Marlin/src/module/temperature.cpp
+++ b/Marlin/src/module/temperature.cpp
@@ -2338,7 +2338,7 @@ void Temperature::disable_all_heaters() {
       max6675_errors[hindex] = 0;
     }
 
-    #if MAX6675_0_IS_MAX31855
+    #if MAX6675_0_IS_MAX31855 || MAX6675_1_IS_MAX31855
       if (max6675_temp & 0x00002000) max6675_temp |= 0xFFFFC000; // Support negative temperature
     #endif