From 5e6bf9e340c18b8289385714de193601e9708315 Mon Sep 17 00:00:00 2001
From: Monster Iestyn <iestynjealous@ntlworld.com>
Date: Mon, 29 Aug 2016 23:24:59 +0100
Subject: [PATCH] probably best if we did this instead actually

---
 src/r_segs.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/r_segs.c b/src/r_segs.c
index 148d0b8f7..463325812 100644
--- a/src/r_segs.c
+++ b/src/r_segs.c
@@ -969,8 +969,11 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 	else
 		left_bottom = *pfloor->bottomheight - viewz;
 	skewslope = *pfloor->t_slope; // skew using top slope by default
-	if (newline && newline->flags & ML_DONTPEGTOP)
-		slopeskew = true;
+	if (newline)
+	{
+		if (newline->flags & ML_DONTPEGTOP)
+			slopeskew = true;
+	}
 	else if (pfloor->master->flags & ML_DONTPEGTOP)
 		slopeskew = true;