diff --git a/question/type/calculated/questiontype.php b/question/type/calculated/questiontype.php
index 8c2b87d1cb3..3243357bad4 100644
--- a/question/type/calculated/questiontype.php
+++ b/question/type/calculated/questiontype.php
@@ -122,7 +122,7 @@ class question_calculated_qtype extends question_dataset_dependent_questiontype
         // Get old answers:
         global $CFG;
 
-        if (isset($question->answer) && !isset($question->asnwers)) {
+        if (isset($question->answer) && !isset($question->answers)) {
             $question->answers = $question->answer;
         }