diff --git a/inc/certs.inc b/inc/certs.inc
index 0e0520a0..3e43233b 100755
--- a/inc/certs.inc
+++ b/inc/certs.inc
@@ -720,7 +720,7 @@ UPGRADECERTS(){
 		echo -e "${idsCL[LightGreen]}Certificate upgrading for '${idsCL[Yellow]}${SUBJECT}${idsCL[Green]}'${idsCL[Default]}"
 		echo -e "${idsCL[Green]}All SSL Hostnames: '${idsCL[Yellow]}${allnames}${idsCL[Green]}'${idsCL[Default]}"
 		
-		$CERT_DAEMON certonly --preferred-chain "ISRG Root X1" --key-type rsa --server https://acme-v02.api.letsencrypt.org/directory --webroot --webroot-path ${NM_CERTPATH}/letsencrypt-acme-challenge -d ${allnames}
+		$CERT_DAEMON certonly --preferred-chain "ISRG Root X1" --key-type ecdsa --server https://acme-v02.api.letsencrypt.org/directory --webroot --webroot-path ${NM_CERTPATH}/letsencrypt-acme-challenge -d ${allnames}
 		echo
 	done