diff --git a/src/openrct2-ui/interface/Window.cpp b/src/openrct2-ui/interface/Window.cpp
index 7c672b296b..d7b2e3f272 100644
--- a/src/openrct2-ui/interface/Window.cpp
+++ b/src/openrct2-ui/interface/Window.cpp
@@ -586,8 +586,7 @@ void window_draw_widgets(rct_window* w, rct_drawpixelinfo* dpi)
     rct_widgetindex widgetIndex;
 
     if ((w->flags & WF_TRANSPARENT) && !(w->flags & WF_NO_BACKGROUND))
-        gfx_filter_rect(
-            dpi, { w->windowPos, w->windowPos + ScreenCoordsXY{ w->width - 1, w->windowPos.y + w->height - 1 } }, PALETTE_51);
+        gfx_filter_rect(dpi, { w->windowPos, w->windowPos + ScreenCoordsXY{ w->width - 1, w->height - 1 } }, PALETTE_51);
 
     // todo: some code missing here? Between 006EB18C and 006EB260