diff --git a/src/windows/track_place.c b/src/windows/track_place.c
index 785cc66364..1023196bae 100644
--- a/src/windows/track_place.c
+++ b/src/windows/track_place.c
@@ -395,7 +395,7 @@ void window_track_place_open()
 	w->colours[1] = 24;
 	w->colours[2] = 24;
 	tool_set(w, 6, 12);
-	RCT2_GLOBAL(RCT2_ADDRESS_INPUT_FLAGS, uint32) |= 6;
+	RCT2_GLOBAL(RCT2_ADDRESS_INPUT_FLAGS, uint32) |= INPUT_FLAG_6;
 	window_push_others_right(w);
 	show_gridlines();
 	_window_track_place_last_cost = MONEY32_UNDEFINED;