diff --git a/Services/MyStaff/classes/ListCourses/class.ilMStListCourses.php b/Services/MyStaff/classes/ListCourses/class.ilMStListCourses.php
index 39bef2c4d656..88fd2185d623 100644
--- a/Services/MyStaff/classes/ListCourses/class.ilMStListCourses.php
+++ b/Services/MyStaff/classes/ListCourses/class.ilMStListCourses.php
@@ -60,7 +60,7 @@ public function getData(array $arr_usr_ids = array(), array $options = array())
 	                    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') . '
@@ -181,6 +181,10 @@ protected function createWhereStatement(array $arr_filter)
                     ->quote($arr_filter['org_unit'], '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 2c9f9f63260a..4912aa908ec8 100644
--- a/Services/MyStaff/classes/ShowUser/Courses/class.ilMStShowUserCoursesTableGUI.php
+++ b/Services/MyStaff/classes/ShowUser/Courses/class.ilMStShowUserCoursesTableGUI.php
@@ -38,7 +38,8 @@ class ilMStShowUserCoursesTableGUI extends ilTable2GUI
      * @var ilMyStaffAccess
      */
     protected $access;
-
+    /** @var null|array  */
+    protected $columnDefinition = null;
 
     /**
      * @param ilMStShowUserCoursesGUI $parent_obj
@@ -182,6 +183,10 @@ public function getSelectableColumns()
     {
         global $DIC;
 
+        if ($this->columnDefinition !== null) {
+            return $this->columnDefinition;
+        }
+
         $cols = array();
 
         $cols['crs_title'] = array(
@@ -205,7 +210,9 @@ public function getSelectableColumns()
             );
         }
 
-        return $cols;
+        $this->columnDefinition = $cols;
+        
+        return $this->columnDefinition;
     }