diff --git a/question/questiontypes/questiontype.php b/question/questiontypes/questiontype.php
index d1b6713d4c6..a4bb8c3c66a 100644
--- a/question/questiontypes/questiontype.php
+++ b/question/questiontypes/questiontype.php
@@ -60,7 +60,7 @@ class quiz_default_questiontype {
         }
 
         if (empty($question->name)) {
-            $question->name = strip_tags($question->questiontext);
+            $question->name = substr(strip_tags($question->questiontext), 0, 15);
             if (empty($question->name)) {
                 $question->name = '-';
             }