diff --git a/db/migrate/20261005022000_add_room_id_and_updated_at_index_to_messages.rb b/db/migrate/20261005022000_add_room_id_and_updated_at_index_to_messages.rb
index e59196b..dd53cc5 100644
--- a/db/migrate/20261005022000_add_room_id_and_updated_at_index_to_messages.rb
+++ b/db/migrate/20261005022000_add_room_id_and_updated_at_index_to_messages.rb
@@ -1,5 +1,5 @@
 class AddRoomIdAndUpdatedAtIndexToMessages < ActiveRecord::Migration[8.2]
   def change
-    add_index :messages, %i[ room_id updated_at ]
+    add_index :messages, %i[ room_id updated_at ], if_not_exists: true
   end
 end