diff --git a/src/timetable_gui.cpp b/src/timetable_gui.cpp
index b8d7e321ad..0141584e09 100644
--- a/src/timetable_gui.cpp
+++ b/src/timetable_gui.cpp
@@ -558,6 +558,7 @@ struct TimetableWindow : Window {
 		const Vehicle *v = this->vehicle;
 
 		this->clicked_widget = widget;
+		this->DeleteChildWindows(WC_QUERY_STRING);
 
 		switch (widget) {
 			case WID_VT_ORDER_VIEW: // Order view button