diff -r f239c8c5bb94 -r cf0f23803a53 server/src/app/Http/Controllers/Api/DateStatsController.php
--- a/server/src/app/Http/Controllers/Api/DateStatsController.php	Tue Nov 08 18:23:01 2016 +0100
+++ b/server/src/app/Http/Controllers/Api/DateStatsController.php	Wed Nov 09 15:05:41 2016 +0100
@@ -29,7 +29,7 @@
         $query = $filterManager->buildQuery($qFilterParts);
 
         $esQuery = [
-            'index' => env('ELASTICSEARCH_INDEX'),
+            'index' => config('elasticsearch.index'),
             'body' => [
                 "size" => 0,
                 "query" => $query,