From 4acb7ff5e191b70c47673b02be7fd8d3cb51a359 Mon Sep 17 00:00:00 2001
From: IntelOrca <ted@brambles.org>
Date: Mon, 6 Jul 2015 22:53:16 +0100
Subject: [PATCH] fix demolish of flat rides and unable to build it again

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

diff --git a/src/windows/ride_construction.c b/src/windows/ride_construction.c
index 292c96bfe0..84daa1f183 100644
--- a/src/windows/ride_construction.c
+++ b/src/windows/ride_construction.c
@@ -1767,7 +1767,7 @@ static void window_ride_construction_mouseup_demolish(rct_window* w)
 		if (!sub_6CAF80(_currentRideIndex, &outputElement)) {
 			sub_6CC3FB(_currentRideIndex);
 			_currentTrackPieceDirection = _currentTrackPieceDirection;
-			if (slope & 0x100) {
+			if (!(slope & 0x100)) {
 				_currentTrackCurve = slope;
 				_previousTrackSlopeEnd = slopeEnd;
 				_currentTrackSlopeEnd = b2;