diff --git a/management/univention-join/univention-join b/management/univention-join/univention-join
index 11e7b3f..cbcb507 100755
--- a/management/univention-join/univention-join
+++ b/management/univention-join/univention-join
@@ -317,8 +317,10 @@ if [ "$server_role" = "domaincontroller_master" ]; then
 fi
 
 if [ -z "$DCACCOUNT" ]; then
-	echo -n "Enter DC Master Account : "
+	local administrator=$(custom_username "Administrator")
+	echo -n "Enter DC Master Account [${administrator}]: "
 	read DCACCOUNT
+	DCACCOUNT=${DCACCOUNT:$administrator}
 fi
 if [ ! -f "$DCPWD" ]; then
 	echo -n "Enter DC Master Password: "
diff --git a/management/univention-join/univention-run-join-scripts b/management/univention-join/univention-run-join-scripts
index 252fe72..525b687 100755
--- a/management/univention-join/univention-run-join-scripts
+++ b/management/univention-join/univention-run-join-scripts
@@ -136,8 +136,10 @@ fi
 
 if [ ! "$server_role" = "domaincontroller_master" ] || [ -n "$ASK_PASS" ] ; then
 	if [ -z "$DCACCOUNT" ]; then
-		echo -n "Enter DC Master Account : "
+		local administrator=$(custom_username "Administrator")
+		echo -n "Enter DC Master Account [${administrator}]: "
 		read DCACCOUNT
+		DCACCOUNT=${DCACCOUNT:$administrator}
 	fi
 	if [ -z "$DCPWD" ]; then
 		echo -n "Enter DC Master Password: "