From a24ffd1f79c63f8eaf741ec678b8d796992c09eb Mon Sep 17 00:00:00 2001
From: IntelOrca <ted@brambles.org>
Date: Wed, 10 Jun 2015 16:38:27 +0100
Subject: [PATCH] fix refactor error in lower_water

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

diff --git a/src/world/map.c b/src/world/map.c
index c55a424d8b..781f1ba1b3 100644
--- a/src/world/map.c
+++ b/src/world/map.c
@@ -1718,7 +1718,7 @@ money32 lower_water(sint16 x0, sint16 y0, sint16 x1, sint16 y1, uint8 flags)
 		sint16 water_height_z = z >> 16;
 		sint16 base_height_z = z;
 		z = water_height_z;
-		if (z != 0)
+		if (z == 0)
 			z = base_height_z;
 		RCT2_GLOBAL(0x009DEA5E, uint32) = x;
 		RCT2_GLOBAL(0x009DEA60, uint32) = y;