diff --git a/admin_phpsettings.php b/admin_phpsettings.php
index 19967afc..ea0df113 100644
--- a/admin_phpsettings.php
+++ b/admin_phpsettings.php
@@ -72,6 +72,7 @@ if ($page == 'overview') {
 				}
 			}
 
+			// check whether we use that config as froxor-vhost config
 			if (Settings::Get('system.mod_fcgid_defaultini_ownvhost') == $row['id']
 				|| Settings::Get('phpfpm.vhost_defaultini') == $row['id']
 			) {
@@ -81,6 +82,16 @@ if ($page == 'overview') {
 			if ($domains == '') {
 				$domains = $lng['admin']['phpsettings']['notused'];
 			}
+
+			// check whether this is our default config
+			if ((Settings::Get('system.mod_fcgid') == '1'
+				&& Settings::Get('system.mod_fcgid_defaultini') == $id)
+				|| (Settings::Get('phpfpm.enabled') == '1'
+				&& Settings::Get('phpfpm.defaultini') == $id)
+			) {
+				$row['description'] = '<b>'.$row['description'].'</b>';
+			}
+
 			$count ++;
 			eval("\$tablecontent.=\"" . getTemplate("phpconfig/overview_overview") . "\";");
 		}
@@ -189,6 +200,14 @@ if ($page == 'overview') {
 			standard_error('cannotdeletehostnamephpconfig');
 		}
 
+		if ((Settings::Get('system.mod_fcgid') == '1'
+			&& Settings::Get('system.mod_fcgid_defaultini') == $id)
+			|| (Settings::Get('phpfpm.enabled') == '1'
+			&& Settings::Get('phpfpm.defaultini') == $id)
+		) {
+			standard_error('cannotdeletedefaultphpconfig');
+		}
+
 		if ($result['id'] != 0
 			&& $result['id'] == $id
 			&& (int)$userinfo['change_serversettings'] == 1
diff --git a/lng/english.lng.php b/lng/english.lng.php
index 1f7fd5a6..f885aca4 100644
--- a/lng/english.lng.php
+++ b/lng/english.lng.php
@@ -1814,3 +1814,4 @@ $lng['question']['admin_integritycheck_reallyfix'] = 'Do you really want to try
 $lng['serversettings']['system_croncmdline']['title'] = 'Cron execution command (php-binary)';
 $lng['serversettings']['system_croncmdline']['description'] = 'Command to execute our cronjobs. Change this only if you know what you are doing (default: "/usr/bin/nice -n 5 /usr/bin/php5 -q")!';
 $lng['error']['cannotdeletehostnamephpconfig'] = 'This PHP-configuration is used by the Froxlor-vhost and cannot be deleted.';
+$lng['error']['cannotdeletedefaultphpconfig'] = 'This PHP-configuration is set as default and cannot be deleted.';
diff --git a/lng/german.lng.php b/lng/german.lng.php
index dda58e49..69c54eb9 100644
--- a/lng/german.lng.php
+++ b/lng/german.lng.php
@@ -1540,3 +1540,4 @@ $lng['question']['admin_integritycheck_reallyfix'] = 'M&ouml;chten Sie wirklich
 $lng['serversettings']['system_croncmdline']['title'] = 'Cron Startbefehl (php Programm)';
 $lng['serversettings']['system_croncmdline']['description'] = 'Befehl zum Ausführen des Cronjobs. Ändern dieser Einstellung nur wenn nötig (Standard: "/usr/bin/nice -n 5 /usr/bin/php5 -q")!';
 $lng['error']['cannotdeletehostnamephpconfig'] = 'Diese PHP-Konfiguration ist dem Froxlor-Vhost zugewiesen und kann daher nicht gelöscht werden.';
+$lng['error']['cannotdeletedefaultphpconfig'] = 'Diese PHP-Konfiguration ist als Standard hinterlegt und kann daher nicht gelöscht werden.';