diff --git a/add_dkim_key.sh b/add_dkim_key.sh
index a65e89b..2c8ed53 100755
--- a/add_dkim_key.sh
+++ b/add_dkim_key.sh
@@ -310,7 +310,7 @@ if $terminal ; then
    echo ""
    echo ""
 
-   if [[ -n "${DEFAULT_KEY_SECRET}" ]] ; then
+   if [[ -n "${DEFAULT_DNS_DKIM_ZONE_MASTER_SERVER}" ]] ; then
       echononl "   DNS master server [${DEFAULT_DNS_DKIM_ZONE_MASTER_SERVER}]: "
       read DNS_DKIM_ZONE_MASTER_SERVER
       if [[ "X$DNS_DKIM_ZONE_MASTER_SERVER" = "X" ]] ; then
@@ -318,10 +318,10 @@ if $terminal ; then
       fi
    else
       echononl "   DNS master server: "
-      read KEY_SECRET
-      while [[ "X$KEY_SECRET" = "X" ]] ; do
+      read DNS_DKIM_ZONE_MASTER_SERVER
+      while [[ "X$DNS_DKIM_ZONE_MASTER_SERVER" = "X" ]] ; do
          echo -e "\n\t\033[33m\033[1mEingabe erforderlich.\033[m\n"
-         echononl "   Key secret: "
+         echononl "   DNS master server: "
          read KEY_SECRET
       done
    fi