From 987597532c8ea0b8426c4c9078acd85333bd2c66 Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Wed, 21 Mar 2018 04:34:24 -0500
Subject: [PATCH] For MK2_MULTIPLEXER undef DISABLE_INACTIVE_EXTRUDER

Fix #10098
---
 Marlin/src/inc/Conditionals_LCD.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Marlin/src/inc/Conditionals_LCD.h b/Marlin/src/inc/Conditionals_LCD.h
index 872ae7542..c49cbbec9 100644
--- a/Marlin/src/inc/Conditionals_LCD.h
+++ b/Marlin/src/inc/Conditionals_LCD.h
@@ -386,9 +386,10 @@
 
 #define HAS_DEBUG_MENU ENABLED(LCD_PROGRESS_BAR_TEST)
 
-// MK2 Multiplexer forces SINGLENOZZLE to be enabled
+// MK2 Multiplexer forces SINGLENOZZLE and kills DISABLE_INACTIVE_EXTRUDER
 #if ENABLED(MK2_MULTIPLEXER)
   #define SINGLENOZZLE
+  #undef DISABLE_INACTIVE_EXTRUDER
 #endif
 
 /**