diff --git a/src/atom_map.cpp b/src/atom_map.cpp index 9d257d99de..4b1be77a06 100644 --- a/src/atom_map.cpp +++ b/src/atom_map.cpp @@ -57,7 +57,7 @@ void Atom::map_init(int check) map_nused = 0; map_free = 0; for (int i = 0; i < map_nhash; i++) map_hash[i].next = i+1; - map_hash[map_nhash-1].next = -1; + if (map_nhash > 0) map_hash[map_nhash-1].next = -1; } // recreating: delete old map and create new one for array or hash