diff --git a/src/entity/card_print_queue.ts b/src/entity/card_print_queue.ts
index b831c8e..71c7cfa 100644
--- a/src/entity/card_print_queue.ts
+++ b/src/entity/card_print_queue.ts
@@ -5,12 +5,14 @@ import {
     CreateDateColumn,
     UpdateDateColumn,
     DeleteDateColumn,
+    Index,
 } from "typeorm";
 import { CardPrintQueueStatus } from "../types/card_print_queue_status";
 import { CardPrintQueueType } from "../types/card_print_queue_type";
 
 
 @Entity("card_print_queues")
+@Index("idx_card_print_queue_patient_created", ["patient_id", "created_at"])
 export class CardPrintQueue {
     @PrimaryGeneratedColumn()
     id!: string;