diff --git a/src/town_gui.cpp b/src/town_gui.cpp
index a5c4cc7560..f82b7ac396 100644
--- a/src/town_gui.cpp
+++ b/src/town_gui.cpp
@@ -1743,7 +1743,7 @@ struct BuildHouseWindow : public PickerWindow {
 
 	void OnInit() override
 	{
-		this->InvalidateData(PickerInvalidation::Position);
+		this->InvalidateData(PICKER_INVALIDATION_ALL);
 		this->PickerWindow::OnInit();
 	}