Index: dehydrated-0.7.0/dehydrated
===================================================================
--- dehydrated-0.7.0.orig/dehydrated
+++ dehydrated-0.7.0/dehydrated
@@ -344,7 +344,7 @@ load_config() {
   DOMAINS_D=
   DOMAINS_TXT=
   HOOK=
-  PREFERRED_CHAIN=
+  PREFERRED_CHAIN='ISRG Root X1'
   HOOK_CHAIN="no"
   RENEW_DAYS="30"
   KEYSIZE="4096"
