From 412c9b689adf29fc9dc4b56df651cda52b3900e1 Mon Sep 17 00:00:00 2001
From: Duncan Frost <duncans_pumpkin@hotmail.co.uk>
Date: Thu, 14 Aug 2014 20:56:26 +0100
Subject: [PATCH] Fix see through glass

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

diff --git a/src/gfx.c b/src/gfx.c
index 59350e680d..f50d62c910 100644
--- a/src/gfx.c
+++ b/src/gfx.c
@@ -946,7 +946,7 @@ void gfx_draw_sprite(rct_drawpixelinfo *dpi, int image_id, int x, int y, uint32
 
 	if (image_type && !(image_type & IMAGE_TYPE_UNKNOWN)) {
 		uint8 palette_ref = (image_id >> 19) & 0xFF;
-		if (!(image_type & IMAGE_TYPE_MIX_BACKGROUND)){
+		if (image_type & IMAGE_TYPE_MIX_BACKGROUND){
 			unknown_pointer = NULL;
 			RCT2_GLOBAL(0x009E3CDC, uint32) = 0;
 		}