1 files changed, 1 insertions, 0 deletions
diff --git a/crawl-ref/source/maps.h b/crawl-ref/source/maps.h
index b14ffcd004..096ab50365 100644
--- a/crawl-ref/source/maps.h
+++ b/crawl-ref/source/maps.h
@@ -35,6 +35,7 @@ int vault_main(map_type vgrid,
                 int vault_force, 
                 int many_many);
 
+const map_def *map_by_index(int index);
 int random_map_for_place(const std::string &place, bool mini = false);
 int find_map_named(const std::string &name);
 int random_map_for_depth(int depth, bool want_minivault = false);