diff --git a/dehydrated b/dehydrated
index fa91cfd1..222869ae 100755
--- a/dehydrated
+++ b/dehydrated
@@ -345,7 +345,7 @@ load_config() {
   WELLKNOWN=
   PRIVATE_KEY_RENEW="yes"
   PRIVATE_KEY_ROLLOVER="no"
-  KEY_ALGO=rsa
+  KEY_ALGO=secp384r1
   OPENSSL=openssl
   OPENSSL_CNF=
   CONTACT_EMAIL=