diff --git a/hub-config/tasks.json b/hub-config/tasks.json
index 7f84bf78..0acf46b5 100644
--- a/hub-config/tasks.json
+++ b/hub-config/tasks.json
@@ -25,7 +25,7 @@
                     },
                     "horizon": {
                         "required": [1, 2, 3, 4],
-                        "optional": [5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29]
+                        "optional": [0, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29]
                     },
                     "location": {
                         "required": null,