diff --git a/beat/web/search/templatetags/search_tags.py b/beat/web/search/templatetags/search_tags.py
index 6aaea3ea6a697b8c9fa0edf785fca9e34bb4fc51..5b03d7e2b565b651d15985ebcd4386fb2bb9ae66 100644
--- a/beat/web/search/templatetags/search_tags.py
+++ b/beat/web/search/templatetags/search_tags.py
@@ -210,7 +210,7 @@ def plot_details_for_result(r):
 
     return dict(
             plotter=plotting['default'][0].fullname(),
-            parameter=plotting['default'][1].fullname(),
+            parameter=None if plotting['default'][1] == None else plotting['default'][1].fullname(),
             parameters=json.dumps([k.fullname() for k in plotting['options'][plotting['default'][0]]]),
             )