diff -ur a/src/safe.c b/src/safe.c
--- a/src/safe.c	2018-02-03 13:41:49.000000000 +0100
+++ b/src/safe.c	2021-11-10 02:05:04.152449983 +0100
@@ -98,9 +98,7 @@
 {
   struct rlimit nofile;
 
-  max_cached_fds = 8;
-  if (getrlimit (RLIMIT_NOFILE, &nofile) == 0)
-    max_cached_fds = MAX (nofile.rlim_cur / 4, max_cached_fds);
+  max_cached_fds = 64;
 
   cached_dirfds = hash_initialize (max_cached_fds,
 				   NULL,