diff --git a/terraform/firestore.tf b/terraform/firestore.tf
index 581070b..db7e4d5 100644
--- a/terraform/firestore.tf
+++ b/terraform/firestore.tf
@@ -14,6 +14,11 @@ resource "google_firestore_index" "trainings_user_time" {
     order      = "ASCENDING"
   }
 
+  fields {
+    field_path = "Canceled"
+    order      = "ASCENDING"
+  }
+
   fields {
     field_path = "Time"
     order      = "ASCENDING"