From e48489482c78c9f16786405794ea3a1c4476271c Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Sun, 5 Jul 2020 23:14:12 -0500
Subject: [PATCH] Filament state followup

---
 Marlin/src/feature/runout.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Marlin/src/feature/runout.h b/Marlin/src/feature/runout.h
index d27629d9a7..3cba6f828e 100644
--- a/Marlin/src/feature/runout.h
+++ b/Marlin/src/feature/runout.h
@@ -148,7 +148,11 @@ class FilamentSensorBase {
 
     // Return a bitmask of runout flag states (1 bits always indicates runout)
     static inline uint8_t poll_runout_states() {
-      return poll_runout_pins() ^ uint8_t(TERN(FIL_RUNOUT_STATE, 0, _BV(NUM_RUNOUT_SENSORS) - 1));
+      return poll_runout_pins()
+        #if FIL_RUNOUT_STATE == LOW
+          ^ uint8_t(_BV(NUM_RUNOUT_SENSORS) - 1)
+        #endif
+      ;
     }
 };