diff --git a/fixtures/miniconf-fixtures/symposion_proposals.json b/fixtures/miniconf-fixtures/symposion_proposals.json
index bcca8f83..d0c06497 100644
--- a/fixtures/miniconf-fixtures/symposion_proposals.json
+++ b/fixtures/miniconf-fixtures/symposion_proposals.json
@@ -57,10 +57,9 @@
     {
         "fields": {
             "closed": false,
-            "end": "2017-11-29T13:01:00Z",
             "published": false,
             "section": 8,
-            "start": "2017-10-15T14:01:00Z"
+            "start": "2017-10-12T14:01:00Z"
         },
         "model": "symposion_proposals.proposalsection",
         "pk": 8