*** empty log message ***

diff --git a/question/type/datasetdependent/datasetitems.php b/question/type/datasetdependent/datasetitems.php
index b94571f61e7600faa722f0d7ddde15948fe10fa8..4b68c4170ac902cc00501d66193d7892f1e14966 100644 (file)
--- a/question/type/datasetdependent/datasetitems.php
+++ b/question/type/datasetdependent/datasetitems.php
@@ -29,7 +29,7 @@
     }
 
     // Handle generator options...
-    $olddatasetdefs = $datasetdefs;
+    $olddatasetdefs = clone($datasetdefs);
     $datasetdefs = $this->update_dataset_options($olddatasetdefs, $form);
     $maxnumber = -1;
     $datasets = empty($form->dataset) ? $form->definition : $form->dataset;