diff --git a/src/airport_gui.cpp b/src/airport_gui.cpp
--- a/src/airport_gui.cpp
+++ b/src/airport_gui.cpp
@@ -557,7 +557,7 @@ static const NWidgetPart _nested_build_a
 static const WindowDesc _build_airport_desc(
 	WDP_AUTO, 0, 0,
 	WC_BUILD_STATION, WC_BUILD_TOOLBAR,
-	WDF_CONSTRUCTION | WDF_UNCLICK_BUTTONS,
+	WDF_CONSTRUCTION,
 	_nested_build_airport_widgets, lengthof(_nested_build_airport_widgets)
 );