From 43b7c3a204bbd82b1620972bc8d693b328c1e078 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=CE=B6eh=20Matt?= <5415177+ZehMatt@users.noreply.github.com>
Date: Fri, 30 Jul 2021 10:33:48 -0700
Subject: [PATCH] Fix potential nullptr dereference (#15134)

---
 src/openrct2/actions/LargeSceneryPlaceAction.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/openrct2/actions/LargeSceneryPlaceAction.cpp b/src/openrct2/actions/LargeSceneryPlaceAction.cpp
index ac7eabb46e..ba4e3b5a3b 100644
--- a/src/openrct2/actions/LargeSceneryPlaceAction.cpp
+++ b/src/openrct2/actions/LargeSceneryPlaceAction.cpp
@@ -266,7 +266,10 @@ GameActions::Result::Ptr LargeSceneryPlaceAction::Execute() const
             isTree);
         if (canBuild->Error != GameActions::Status::Ok)
         {
-            DeleteBanner(banner->id);
+            if (banner != nullptr)
+            {
+                DeleteBanner(banner->id);
+            }
             canBuild->ErrorTitle = STR_CANT_POSITION_THIS_HERE;
             return canBuild;
         }