diff --git a/sys/fs/nullfs/null_subr.c b/sys/fs/nullfs/null_subr.c
index 319e404e084f..aea98f3d67da 100644
--- a/sys/fs/nullfs/null_subr.c
+++ b/sys/fs/nullfs/null_subr.c
@@ -90,7 +90,7 @@ nullfs_uninit(vfsp)
 {
 
 	mtx_destroy(&null_hashmtx);
-	free(null_node_hashtbl, M_NULLFSHASH);
+	hashdestroy(null_node_hashtbl, M_NULLFSHASH, null_node_hash);
 	return (0);
 }