diff --git a/treetrie.c b/treetrie.c
index 29a5db6..3d83367 100644
--- a/treetrie.c
+++ b/treetrie.c
@@ -104,7 +104,7 @@ int tt_arena_init(tt_arena_t *a,
   a->atom_incref = atom_incref;
   a->atom_decref = atom_decref;
   a->max_probe = 0;
-  a->table_length = 16; //16411; /* 16384; */
+  a->table_length = 16411; /* 16384; */
   a->table = calloc(a->table_length, sizeof(a->table[0]));
   a->headers = calloc(a->table_length, sizeof(a->headers[0]));
   a->nodes = calloc(a->table_length, sizeof(a->nodes[0]));