diff --git a/~dev_rating/application/classes/Model/Student.php b/~dev_rating/application/classes/Model/Student.php
index 60571cfa8adf51fea51d2d9a78bb0cf36a0c5447..ba7fba4f9117fdf26ad6f25c570bb6eb7cbd917f 100644
--- a/~dev_rating/application/classes/Model/Student.php
+++ b/~dev_rating/application/classes/Model/Student.php
@@ -35,7 +35,7 @@ class Model_Student extends Model
      * @return $this;
      */
     public function toAcademicLeave() {
-        $sql = "CALL `ControlStudentGroup`(:id, -1, true');";
+        $sql = "CALL `ControlStudentGroup`(:id, -1, true);";
 
         DB::query(Database::SELECT, $sql)
             ->param(':id', $this->id)
@@ -50,7 +50,7 @@ class Model_Student extends Model
      * @return $this;
      */
     public function attach($group) {
-        $sql = "CALL `ControlStudentGroup`(:id, :group, false');";
+        $sql = "CALL `ControlStudentGroup`(:id, :group, false);";
 
         DB::query(Database::SELECT, $sql)
             ->param(':id', $this->id)