From 3d6ed19d55da2bdc3246fccb46698cbdd52517af Mon Sep 17 00:00:00 2001
From: James R <justsomejames2@gmail.com>
Date: Thu, 24 Sep 2020 12:20:32 -0700
Subject: [PATCH] oops

---
 src/slope_anchors.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/slope_anchors.c b/src/slope_anchors.c
index acabd0caa..d66c9d9dd 100644
--- a/src/slope_anchors.c
+++ b/src/slope_anchors.c
@@ -440,7 +440,7 @@ make_anchored_slope
 	{
 		s = sides[line->sidenum[side]].sector;
 
-		if (plane == FLOOR|CEILING)
+		if (plane == (FLOOR|CEILING))
 		{
 			flags &= ~ML_NOKNUX;
 		}