From bca79da193064094538b87f4f1378164da29569c Mon Sep 17 00:00:00 2001
From: duncanspumpkin <duncans_pumpkin@hotmail.co.uk>
Date: Thu, 7 Feb 2019 11:41:54 +0000
Subject: [PATCH] Check for null id

---
 src/openrct2/actions/RideSetAppearanceAction.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/openrct2/actions/RideSetAppearanceAction.hpp b/src/openrct2/actions/RideSetAppearanceAction.hpp
index 2bde766ae3..2e5d428a26 100644
--- a/src/openrct2/actions/RideSetAppearanceAction.hpp
+++ b/src/openrct2/actions/RideSetAppearanceAction.hpp
@@ -69,7 +69,7 @@ public:
 
     GameActionResult::Ptr Query() const override
     {
-        if (_rideIndex >= MAX_RIDES)
+        if (_rideIndex >= MAX_RIDES || _rideIndex == RIDE_ID_NULL)
         {
             log_warning("Invalid game command for ride %u", _rideIndex);
             return std::make_unique<GameActionResult>(GA_ERROR::INVALID_PARAMETERS, STR_NONE);