diff --git a/src/openrct2-ui/windows/Ride.cpp b/src/openrct2-ui/windows/Ride.cpp
index fddef51490..5e12aa3a65 100644
--- a/src/openrct2-ui/windows/Ride.cpp
+++ b/src/openrct2-ui/windows/Ride.cpp
@@ -4273,6 +4273,8 @@ static void window_ride_set_track_colour_scheme(rct_window* w, int32_t x, int32_
 
     if (interactionType != VIEWPORT_INTERACTION_ITEM_RIDE)
         return;
+    if (tileElement->GetType() != TILE_ELEMENT_TYPE_TRACK)
+        return;
     if (tileElement->AsTrack()->GetRideIndex() != w->number)
         return;
     if (tileElement->AsTrack()->GetColourScheme() == newColourScheme)
diff --git a/src/openrct2/world/Footpath.cpp b/src/openrct2/world/Footpath.cpp
index f7f6fab3eb..ed47ac4563 100644
--- a/src/openrct2/world/Footpath.cpp
+++ b/src/openrct2/world/Footpath.cpp
@@ -2530,7 +2530,7 @@ static void footpath_fix_corners_around(int32_t x, int32_t y, rct_tile_element*
     };
 
     // Sloped paths don't create filled corners, so no need to remove any
-    if (pathElement->AsPath()->IsSloped())
+    if (pathElement->GetType() == TILE_ELEMENT_TYPE_PATH && pathElement->AsPath()->IsSloped())
         return;
 
     for (int32_t xOffset = -1; xOffset <= 1; xOffset++)
diff --git a/src/openrct2/world/Map.cpp b/src/openrct2/world/Map.cpp
index 90262adea1..aaf0b1c7d1 100644
--- a/src/openrct2/world/Map.cpp
+++ b/src/openrct2/world/Map.cpp
@@ -3664,10 +3664,10 @@ void map_update_tiles()
             interleaved_xy >>= 1;
         }
 
-        SurfaceElement* tileElement = map_get_surface_element_at(x, y)->AsSurface();
+        rct_tile_element* tileElement = map_get_surface_element_at(x, y);
         if (tileElement != nullptr)
         {
-            tileElement->UpdateGrassLength({ x * 32, y * 32 });
+            tileElement->AsSurface()->UpdateGrassLength({ x * 32, y * 32 });
             scenery_update_tile(x * 32, y * 32);
         }