diff --git a/longs/templates/longs/long_display_block.html b/longs/templates/longs/long_display_block.html
index e186aa0c..6a634709 100755
--- a/longs/templates/longs/long_display_block.html
+++ b/longs/templates/longs/long_display_block.html
@@ -86,5 +86,5 @@
         {% if question.recreate_json %}[JSON out of date]{% endif %}
     </div>
     <a href="{% url 'longs:question_json' pk=question.pk %}">JSON</a>
-    <a href="{% url 'longs:question_json_unbased' pk=exam.pk %}">JSON (unbased)</a>
+    <a href="{% url 'longs:question_json_unbased' pk=question.pk %}">JSON (unbased)</a>
     <a href="{% url 'longs:question_json_recreate' pk=question.pk %}">Refresh JSON cache</a>
\ No newline at end of file