diff --git a/mod/quiz/backuplib.php b/mod/quiz/backuplib.php
index d6919086905..21a11d70815 100644
--- a/mod/quiz/backuplib.php
+++ b/mod/quiz/backuplib.php
@@ -208,7 +208,7 @@
                                                 {quiz} q
                                            WHERE q.course = ? AND
                                                  g.quiz = q.id AND
-                                                 g.question = t.id",false, array($course));
+                                                 g.question = t.id", array($course));
         if ($categories) {
             foreach ($categories as $key => $category) {
                 $exist = $DB->get_record('question_categories', array('id' => $key));
diff --git a/question/backuplib.php b/question/backuplib.php
index 762093446b1..1118be6220c 100644
--- a/question/backuplib.php
+++ b/question/backuplib.php
@@ -442,7 +442,7 @@
      * Insert code to identify categories to later insert all question ids later eg. course, quiz or other module name.
      */
     function question_insert_q_ids($backup_unique_code, $info){
-        global $CFG;
+        global $CFG,$DB;
             //put the ids of the questions from all these categories into the db.
         $status = $DB->execute("INSERT INTO {backup_ids} (backup_code, table_name, old_id, info)
                                 SELECT '$backup_unique_code', 'question', q.id, ''