diff --git a/src/openrct2/interface/Viewport.cpp b/src/openrct2/interface/Viewport.cpp
index 4560b9dfa6..c5f2e088a6 100644
--- a/src/openrct2/interface/Viewport.cpp
+++ b/src/openrct2/interface/Viewport.cpp
@@ -718,7 +718,7 @@ namespace OpenRCT2
 
             if (gLegacyScene != LegacyScene::titleSequence)
             {
-                int32_t height = (TileElementHeight({ sprite->x, sprite->y })) - 16;
+                int32_t height = TileElementHeight({ sprite->x, sprite->y }) - 16;
                 int32_t underground = sprite->z < height;
                 ViewportSetUndergroundFlag(underground, window, window->viewport);
             }