diff --git a/db/migrate/20260724000100_add_index_to_conversations_created_at.rb b/db/migrate/20260724000100_add_index_to_conversations_created_at.rb
index a89752e80..98b4490e8 100644
--- a/db/migrate/20260724000100_add_index_to_conversations_created_at.rb
+++ b/db/migrate/20260724000100_add_index_to_conversations_created_at.rb
@@ -2,6 +2,6 @@ class AddIndexToConversationsCreatedAt < ActiveRecord::Migration[7.1]
   disable_ddl_transaction!
 
   def change
-    add_index :conversations, :created_at, algorithm: :concurrently
+    add_index :conversations, :created_at, algorithm: :concurrently, if_not_exists: true
   end
 end