diff --git a/install_openvpn.sh b/install_openvpn.sh
index 958110d..0600b3e 100755
--- a/install_openvpn.sh
+++ b/install_openvpn.sh
@@ -249,7 +249,7 @@ DEFAULT_KEY_EMAIL='argus@oopen.de'
 DEFAULT_KEY_ORG='o.open'
 DEFAULT_KEY_OU="Network Services"
 
-DEFAULT_SERVER_CIPHER="AES-256-CBC"
+DEFAULT_SERVER_CIPHER="AES-256-GCM"
 
 
 #---------------------------------------