diff --git a/distribution/changelog.txt b/distribution/changelog.txt
index ebb91fefa9..c1e5ddf9ff 100644
--- a/distribution/changelog.txt
+++ b/distribution/changelog.txt
@@ -1,5 +1,6 @@
 0.3.4+ (in development)
 ------------------------------------------------------------------------
+- Fix: [#15028] Crash when placing large scenery.
 - Improved: [#12626] Allow using RCT2 saves to mark RCT Classic (.sea) parks as finished and vice versa. 
 
 0.3.4 (2021-07-19)
diff --git a/src/openrct2-ui/windows/TopToolbar.cpp b/src/openrct2-ui/windows/TopToolbar.cpp
index 05c56dd72c..5c0d53c84b 100644
--- a/src/openrct2-ui/windows/TopToolbar.cpp
+++ b/src/openrct2-ui/windows/TopToolbar.cpp
@@ -2549,9 +2549,7 @@ static money32 try_place_ghost_large_scenery(
 
     gSceneryPlaceRotation = loc.direction;
 
-    TileElement* tileElement = lspar->tileElement;
-    gSceneryGhostPosition = { loc, tileElement->GetBaseZ() };
-
+    gSceneryGhostPosition = { loc, lspar->firstTileHeight };
     if (lspar->GroundFlags & ELEMENT_IS_UNDERGROUND)
     {
         // Set underground on
diff --git a/src/openrct2/actions/LargeSceneryPlaceAction.cpp b/src/openrct2/actions/LargeSceneryPlaceAction.cpp
index ccc6a13ed5..84d7fb8de2 100644
--- a/src/openrct2/actions/LargeSceneryPlaceAction.cpp
+++ b/src/openrct2/actions/LargeSceneryPlaceAction.cpp
@@ -284,12 +284,12 @@ GameActions::Result::Ptr LargeSceneryPlaceAction::Execute() const
 
         SetNewLargeSceneryElement(*newSceneryElement, tileNum);
         map_animation_create(MAP_ANIMATION_TYPE_LARGE_SCENERY, { curTile, zLow });
+        map_invalidate_tile_full(curTile);
 
         if (tileNum == 0)
         {
-            res->tileElement = newSceneryElement->as<TileElement>();
+            res->firstTileHeight = zLow;
         }
-        map_invalidate_tile_full(curTile);
     }
 
     // Allocate banner after all tiles to ensure banner id doesn't need to be freed.
diff --git a/src/openrct2/actions/LargeSceneryPlaceAction.h b/src/openrct2/actions/LargeSceneryPlaceAction.h
index e96ea00278..85b95cf197 100644
--- a/src/openrct2/actions/LargeSceneryPlaceAction.h
+++ b/src/openrct2/actions/LargeSceneryPlaceAction.h
@@ -22,7 +22,7 @@ public:
     LargeSceneryPlaceActionResult(GameActions::Status error, rct_string_id message, uint8_t* args);
 
     uint8_t GroundFlags{ 0 };
-    TileElement* tileElement = nullptr;
+    int32_t firstTileHeight{ 0 };
 };
 
 DEFINE_GAME_ACTION(LargeSceneryPlaceAction, GameCommand::PlaceLargeScenery, LargeSceneryPlaceActionResult)