diff --git a/README.md b/README.md
index 78ada6f..4610998 100644
--- a/README.md
+++ b/README.md
@@ -50,6 +50,9 @@ At the end of the block a list of all courses is shown where the usere is enroll
 
 
 # Changelog #
+## [[v2.0.4]] ##
+- configurable max courses if is_siteadmin
+
 ## [[v2.0.3]] ##
 - add list of all moodle courses is is_siteadmin
 - some refactoring
diff --git a/block_course_list_advanced.php b/block_course_list_advanced.php
index 224b3ed..d64ee9d 100644
--- a/block_course_list_advanced.php
+++ b/block_course_list_advanced.php
@@ -228,7 +228,8 @@ public function get_content()
                             . '</div></div>';
                         $countCoursesNoneditingTeacher++;
                     }
-                    if (is_siteadmin()) {
+
+                    if (is_siteadmin() && $countCoursesAll <= $configHandler->getMax_for_siteadmin()) {
                         $listAllCourses = $listAllCourses  . '<div ' . $linkcss . '>' . '<div ' . $coursecss . '>' . $htmllinktocourse .  '  ' .  $linkViewOrphanedFiles . '  ' . $htmllinktocoursedeletion . ' ' . $roles . '<br>' . $duration . '</div></div>';
                         $countCoursesAll++;
                     }
@@ -237,7 +238,7 @@ public function get_content()
                 $title = '';
                 $title = get_string('blocktitle', 'block_course_list_advanced');
                 if (is_siteadmin()) {
-                    $title = $title . ' (Adminmodus)';
+                    $title = 'Adminmodus' ;
                 }
                 $this->title = $title;
                 /// If we can update any course of the view all isn't hidden, show the view all courses link
@@ -269,7 +270,12 @@ public function get_content()
             }
 
             if ($countCoursesAll) {
-                $this->content->items[] = '<div class="course_list_advanced">' .  $countCoursesAll . ' ' . get_string('headlinenallcourses', 'block_course_list_advanced') . '</div>';
+                $this->content->items[] = '<div class="course_list_advanced">' 
+                    .  $countCoursesAll . ' ' 
+                    . get_string('headlinenallcourses', 'block_course_list_advanced') 
+                    . ' (max. '
+                    . $configHandler->getMax_for_siteadmin()
+                    . ')</div>';
                 $this->content->items[] = $listAllCourses . '<br />';
             }
 
diff --git a/classes/config_handler.php b/classes/config_handler.php
index 4c7c5dc..feaaeea 100644
--- a/classes/config_handler.php
+++ b/classes/config_handler.php
@@ -44,6 +44,14 @@ class config_handler
      */
     private $usesphorphanedfiles = false;
 
+    /**
+     * @var int
+     */
+    private $max_for_siteadmin = 22;
+
+
+    
+
     public function __construct(stdClass $config)
     {
 
@@ -71,6 +79,10 @@ public function __construct(stdClass $config)
             $this->usesphorphanedfiles = $config->block_course_list_advanced_usesphorphanedfiles == true ? true : false;
         }
 
+        if (isset($config->block_course_list_advanced_max_for_siteadmin)) {
+            $this->max_for_siteadmin = $config->block_course_list_advanced_max_for_siteadmin;
+        }
+
     }
 
 
@@ -125,8 +137,18 @@ public function getIsallowedonmypage(): bool
      *
      * @return  bool
      */ 
-    public function getUsesphorphanedfiles()
+    public function getUsesphorphanedfiles(): bool
     {
         return $this->usesphorphanedfiles;
     }
+
+    /**
+     * Get the value of maxforsiteadmin
+     *
+     * @return  int
+     */ 
+    public function getMax_for_siteadmin(): int
+    {
+        return $this->max_for_siteadmin;
+    }
 }
diff --git a/lang/de/block_course_list_advanced.php b/lang/de/block_course_list_advanced.php
index 91878dd..562d785 100644
--- a/lang/de/block_course_list_advanced.php
+++ b/lang/de/block_course_list_advanced.php
@@ -46,6 +46,9 @@
 $string['isallowedonmypage'] = 'Block auf my-Seite (Dashboard/Arbeitsplatz) erlauben';
 $string['configisallowedonmypage'] = 'Wenn aktiviert kann der Block auf der my-Seite hinzugefügt werden (wenn Berechtigung vorhanden).';
 
+$string['max_for_siteadmin'] = 'Maximale Kursanzahl im Abschnitt Alle Kurse für Siteadmins';
+$string['configmax_for_siteadmin'] = 'Für SiteAdmins werden nur maximal so viele Kurse im Abschnitt AlleKurse angezeigt.';
+
 $string['course_list_advanced:view'] = 'Block anzeigen';
 $string['course_list_advanced:addinstance'] = 'Block Kursliste erweitert hinzufügen';
 $string['course_list_advanced:myaddinstance'] = 'Block Kursliste erweitert zum Arbeitsplatz hinzufügen';
diff --git a/lang/en/block_course_list_advanced.php b/lang/en/block_course_list_advanced.php
index 3038420..999e9f9 100644
--- a/lang/en/block_course_list_advanced.php
+++ b/lang/en/block_course_list_advanced.php
@@ -46,6 +46,9 @@
 $string['isallowedonmypage'] = 'Allow to add block on the mypage';
 $string['configisallowedonmypage'] = 'When activated it is allowed to add block to mypage.';
 
+$string['max_for_siteadmin'] = 'Maximum number of courses in section all courses for siteadmins';
+$string['configmax_for_siteadmin'] = 'Maximum number of courses in section all courses for siteadmins';
+
 $string['course_list_advanced:view'] = 'Show block';
 $string['course_list_advanced:addinstance'] = 'Add a new courses block';
 $string['course_list_advanced:myaddinstance'] = 'Add a new courses block to Dashboard';
diff --git a/settings.php b/settings.php
index 1be2b4e..db174d2 100644
--- a/settings.php
+++ b/settings.php
@@ -70,5 +70,15 @@
         0
     ));
 
+    $options = array(5=>'5', 10=>'10', 20=>'20', 30=>'30', 40=>'40', 50=>'50', 100=>'100', 10000=>'10000');
+
+    $settings->add(new admin_setting_configselect(
+        'block_course_list_advanced_max_for_siteadmin',
+        get_string('max_for_siteadmin', 'block_course_list_advanced'),
+        get_string('configmax_for_siteadmin', 'block_course_list_advanced'),
+        '30',
+        $options
+    ));
+
 
 }
diff --git a/version.php b/version.php
index d542f71..de09ce6 100644
--- a/version.php
+++ b/version.php
@@ -25,6 +25,6 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version   = 2021110801;        // The current plugin version (Date: YYYYMMDDXX)
+$plugin->version   = 2021111001;        // The current plugin version (Date: YYYYMMDDXX)
 $plugin->requires  = 2020060900;        // Requires this Moodle version
 $plugin->component = 'block_course_list_advanced'; // Full name of the plugin (used for diagnostics)