diff --git a/Services/MyStaff/classes/ListCourses/class.ilMStListCourses.php b/Services/MyStaff/classes/ListCourses/class.ilMStListCourses.php
index 8033bdc6d920..b5b3be78014b 100644
--- a/Services/MyStaff/classes/ListCourses/class.ilMStListCourses.php
+++ b/Services/MyStaff/classes/ListCourses/class.ilMStListCourses.php
@@ -47,7 +47,7 @@ final public function getData(array $arr_usr_ids = array(), array $options = arr
 	                    SELECT reg.obj_id, reg.usr_id, ' . ilMStListCourse::MEMBERSHIP_STATUS_REGISTERED . ' AS reg_status, lp.status AS lp_status FROM obj_members 
 		          AS reg
                         LEFT JOIN ut_lp_marks AS lp on lp.obj_id = reg.obj_id AND lp.usr_id = reg.usr_id
-                         WHERE ' . $this->dic->database()->in('reg.usr_id', $arr_usr_ids, false, 'integer') . '
+                         WHERE ' . $this->dic->database()->in('reg.usr_id', $arr_usr_ids, false, 'integer') . ' AND (reg.admin = 1 OR reg.tutor = 1 OR reg.member = 1)
 		            UNION
 	                    SELECT obj_id, usr_id, ' . ilMStListCourse::MEMBERSHIP_STATUS_WAITINGLIST . ' AS reg_status, 0 AS lp_status FROM crs_waiting_list AS waiting
 	                    WHERE ' . $this->dic->database()->in('waiting.usr_id', $arr_usr_ids, false, 'integer') . '
@@ -172,6 +172,10 @@ protected function createWhereStatement(array $arr_filter): string
                                                                                                     'integer') . ')';
         }
 
+        if (isset($arr_filter['usr_id']) && is_numeric($arr_filter['usr_id'])) {
+            $where[] = 'usr_id = ' . $this->dic->database()->quote($arr_filter['usr_id'], \ilDBConstants::T_INTEGER); 
+        }
+
         if (!empty($where)) {
             return ' WHERE ' . implode(' AND ', $where) . ' ';
         } else {
diff --git a/Services/MyStaff/classes/ShowUser/Courses/class.ilMStShowUserCoursesTableGUI.php b/Services/MyStaff/classes/ShowUser/Courses/class.ilMStShowUserCoursesTableGUI.php
index 7759001706a2..7cc8b9ea380d 100644
--- a/Services/MyStaff/classes/ShowUser/Courses/class.ilMStShowUserCoursesTableGUI.php
+++ b/Services/MyStaff/classes/ShowUser/Courses/class.ilMStShowUserCoursesTableGUI.php
@@ -27,7 +27,12 @@ class ilMStShowUserCoursesTableGUI extends ilTable2GUI
     protected int $usr_id;
     protected array $filter = array();
     protected ilMyStaffAccess $access;
+    protected ?array $columnDefinition = null;
 
+    /**
+     * @param ilMStShowUserCoursesGUI $parent_obj
+     * @param string                  $parent_cmd
+     */
     public function __construct(ilMStShowUserCoursesGUI $parent_obj, $parent_cmd = ilMStShowUserCoursesGUI::CMD_INDEX)
     {
         global $DIC;
@@ -154,6 +159,10 @@ final public function getSelectableColumns() : array
     {
         global $DIC;
 
+        if ($this->columnDefinition !== null) {
+            return $this->columnDefinition;
+        }
+
         $cols = array();
 
         $cols['crs_title'] = array(
@@ -177,7 +186,9 @@ final public function getSelectableColumns() : array
             );
         }
 
-        return $cols;
+        $this->columnDefinition = $cols;
+        
+        return $this->columnDefinition;
     }
 
     private function addColumns() : void