diff --git a/src/linkgraph/linkgraph_gui.cpp b/src/linkgraph/linkgraph_gui.cpp
--- a/src/linkgraph/linkgraph_gui.cpp
+++ b/src/linkgraph/linkgraph_gui.cpp
@@ -56,8 +56,7 @@ void LinkGraphOverlay::RebuildCache()
 	DrawPixelInfo dpi;
 	this->GetWidgetDpi(&dpi);
 
-	const Station *sta;
-	FOR_ALL_STATIONS(sta) {
+	for (const Station *sta : Station::Iterate()) {
 		if (sta->rect.IsEmpty()) continue;
 
 		Point pta = this->GetStationMiddle(sta);