1 files changed, 3 insertions, 0 deletions
diff --git a/src/gui.h b/src/gui.h
index 613965100..e6aa41eeb 100644
--- a/src/gui.h
+++ b/src/gui.h
@@ -83,6 +83,9 @@ enum {
 	DDSP_PLACE_AUTOROAD,
 };
 
+/* timetable_gui.cpp */
+void ShowTimetableWindow(const Vehicle *v);
+
 /* misc_gui.cpp */
 void PlaceLandBlockInfo();
 void ShowAboutWindow();