diff --git a/mod/quiz/editlib.php b/mod/quiz/editlib.php
index 10e234f53b4cc..ce4971af561b6 100644
--- a/mod/quiz/editlib.php
+++ b/mod/quiz/editlib.php
@@ -1141,6 +1141,8 @@ protected function wanted_columns() {
     }
 
     protected function default_sort() {
+        $this->requiredcolumns['qtype'] = $this->knowncolumntypes['qtype'];
+        $this->requiredcolumns['questionnametext'] = $this->knowncolumntypes['questionnametext'];
         return array('qtype' => 1, 'questionnametext' => 1);
     }
 
diff --git a/question/editlib.php b/question/editlib.php
index 33f2d786467a9..64c43ee005e73 100644
--- a/question/editlib.php
+++ b/question/editlib.php
@@ -1033,6 +1033,8 @@ protected function sort_to_params($sorts) {
     }
 
     protected function default_sort() {
+        $this->requiredcolumns['qtype'] = $this->knowncolumntypes['qtype'];
+        $this->requiredcolumns['questionname'] = $this->knowncolumntypes['questionname'];
         return array('qtype' => 1, 'questionname' => 1);
     }