diff --git a/mod/quiz/backuplib.php b/mod/quiz/backuplib.php
index 084efb98197..e5c4811575f 100644
--- a/mod/quiz/backuplib.php
+++ b/mod/quiz/backuplib.php
@@ -142,6 +142,7 @@
                 fwrite ($bf,full_tag("ID",6,false,$question->id));
                 fwrite ($bf,full_tag("NAME",6,false,$question->name));
                 fwrite ($bf,full_tag("QUESTIONTEXT",6,false,$question->questiontext));
+                fwrite ($bf,full_tag("QUESTIONTEXTFORMAT",6,false,$question->questiontextformat));
                 fwrite ($bf,full_tag("IMAGE",6,false,$question->image));
                 fwrite ($bf,full_tag("DEFAULTGRADE",6,false,$question->defaultgrade));
                 fwrite ($bf,full_tag("QTYPE",6,false,$question->qtype));
diff --git a/mod/quiz/restorelib.php b/mod/quiz/restorelib.php
index 1f2579865f9..839b621fb23 100644
--- a/mod/quiz/restorelib.php
+++ b/mod/quiz/restorelib.php
@@ -307,6 +307,7 @@
             $question->category = $new_category_id;
             $question->name = backup_todb($que_info['#']['NAME']['0']['#']);
             $question->questiontext = backup_todb($que_info['#']['QUESTIONTEXT']['0']['#']);
+            $question->questiontextformat = backup_todb($que_info['#']['QUESTIONTEXTFORMAT']['0']['#']);
             $question->image = backup_todb($que_info['#']['IMAGE']['0']['#']);
             $question->defaultgrade = backup_todb($que_info['#']['DEFAULTGRADE']['0']['#']);
             $question->qtype = backup_todb($que_info['#']['QTYPE']['0']['#']);