diff --git a/question/bank/statistics/classes/helper.php b/question/bank/statistics/classes/helper.php
index 8039c72bfa2..7b5e62cdf41 100644
--- a/question/bank/statistics/classes/helper.php
+++ b/question/bank/statistics/classes/helper.php
@@ -56,6 +56,7 @@ class helper {
                   JOIN {question_attempts} qatt ON qatt.questionusageid = qu.id
                  WHERE qatt.questionid $questionidcondition
               GROUP BY qu.component, qu.contextid
+              ORDER BY qu.contextid ASC
                 ", $params);
 
         // Strip out the unwanted ids.