diff --git a/apps/backend/modules/course_student_mark/actions/actions.class.php b/apps/backend/modules/course_student_mark/actions/actions.class.php
index 42f033f50..3c932b03a 100644
--- a/apps/backend/modules/course_student_mark/actions/actions.class.php
+++ b/apps/backend/modules/course_student_mark/actions/actions.class.php
@@ -166,6 +166,7 @@ public function executeUpdate(sfWebRequest $request)
                $calification_final ++;
             }
         }
+        $result = false;
         if($calification_final == count($cs->getCourseSubjectStudents()))
         {
             $result = true;