diff --git a/src/town_gui.cpp b/src/town_gui.cpp
--- a/src/town_gui.cpp
+++ b/src/town_gui.cpp
@@ -332,7 +332,7 @@ public:
 
 		this->FinishInitNested(desc, window_number);
 
-		this->flags4 |= WF_DISABLE_VP_SCROLL;
+		this->flags|= WF_DISABLE_VP_SCROLL;
 		NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(TVW_VIEWPORT);
 		nvp->InitializeViewport(this, this->town->xy, ZOOM_LVL_NEWS);