diff --git a/integration-tests/http/__tests__/order/admin/order.spec.ts b/integration-tests/http/__tests__/order/admin/order.spec.ts
index 70c01fc0e0..03b24a8448 100644
--- a/integration-tests/http/__tests__/order/admin/order.spec.ts
+++ b/integration-tests/http/__tests__/order/admin/order.spec.ts
@@ -30,6 +30,44 @@ medusaIntegrationTestRunner({
       ).data.shipping_profile
     })
 
+    describe("GET /admin/orders", () => {
+      beforeEach(async () => {
+        seeder = await createOrderSeeder({
+          api,
+          container: getContainer(),
+        })
+        order = seeder.order
+      })
+
+      it("should search orders by display_id", async () => {
+        let response = await api.get(`/admin/orders`, adminHeaders)
+
+        expect(response.data.orders).toHaveLength(1)
+        expect(response.data.orders).toEqual([
+          expect.objectContaining({
+            id: order.id,
+          }),
+        ])
+
+        response = await api.get(
+          `/admin/orders?q=${order.display_id}`,
+          adminHeaders
+        )
+
+        expect(response.data.orders).toHaveLength(1)
+        expect(response.data.orders).toEqual([
+          expect.objectContaining({
+            id: order.id,
+          }),
+        ])
+
+        response = await api.get(`/admin/orders?q=2345`, adminHeaders)
+
+        expect(response.data.orders).toHaveLength(0)
+        expect(response.data.orders).toEqual([])
+      })
+    })
+
     describe("POST /orders/:id", () => {
       beforeEach(async () => {
         seeder = await createOrderSeeder({
diff --git a/packages/core/utils/src/dal/mikro-orm/mikro-orm-free-text-search-filter.ts b/packages/core/utils/src/dal/mikro-orm/mikro-orm-free-text-search-filter.ts
index 1b515069ca..0397a0d8f3 100644
--- a/packages/core/utils/src/dal/mikro-orm/mikro-orm-free-text-search-filter.ts
+++ b/packages/core/utils/src/dal/mikro-orm/mikro-orm-free-text-search-filter.ts
@@ -4,7 +4,7 @@ import type {
   FindOneOptions,
   FindOptions,
 } from "@mikro-orm/core"
-import { EntityMetadata, ReferenceKind } from "@mikro-orm/core"
+import { EntityMetadata, raw, ReferenceKind } from "@mikro-orm/core"
 import { SqlEntityManager } from "@mikro-orm/postgresql"
 
 export const FreeTextSearchFilterKeyPrefix = "freeTextSearch_"
@@ -54,9 +54,10 @@ function retrieveRelationsConstraints(
     }
 
     const isText = propertyConfiguration?.columnTypes?.includes("text")
+
     const columnName = isText
       ? propertyConfiguration.name
-      : `${propertyConfiguration.name}::text`
+      : raw((alias) => `cast(${alias}.${propertyConfiguration.name} as text)`)
 
     relationFreeTextSearchWhere.push({
       [columnName]: {
diff --git a/packages/core/utils/src/dml/properties/autoincrement.ts b/packages/core/utils/src/dml/properties/autoincrement.ts
index e78279db62..348b033ad9 100644
--- a/packages/core/utils/src/dml/properties/autoincrement.ts
+++ b/packages/core/utils/src/dml/properties/autoincrement.ts
@@ -8,7 +8,10 @@ import { PrimaryKeyModifier } from "./primary-key"
 export class AutoIncrementProperty extends BaseProperty<number> {
   protected dataType: {
     name: "serial"
-    options: {}
+    options: {
+      searchable?: boolean
+      primaryKey?: boolean
+    }
   }
 
   /**
@@ -30,6 +33,27 @@ export class AutoIncrementProperty extends BaseProperty<number> {
     return new PrimaryKeyModifier<number, AutoIncrementProperty>(this)
   }
 
+  /**
+   * This method indicates that a serial property is searchable.
+   *
+   * @example
+   * import { model } from "@medusajs/framework/utils"
+   *
+   * const MyCustom = model.define("my_custom", {
+   *   name: model.autoincrement().searchable(),
+   *   // ...
+   * })
+   *
+   * export default MyCustom
+   *
+   * @customNamespace Property Configuration Methods
+   */
+  searchable() {
+    this.dataType.options.searchable = true
+
+    return this
+  }
+
   constructor(options?: { primaryKey?: boolean }) {
     super()
 
diff --git a/packages/modules/order/src/models/order.ts b/packages/modules/order/src/models/order.ts
index 584c01762b..455d52c44e 100644
--- a/packages/modules/order/src/models/order.ts
+++ b/packages/modules/order/src/models/order.ts
@@ -1,16 +1,16 @@
 import { model, OrderStatus } from "@medusajs/framework/utils"
+import { Return } from "@models"
 import { OrderAddress } from "./address"
 import { OrderCreditLine } from "./credit-line"
 import { OrderItem } from "./order-item"
 import { OrderShipping } from "./order-shipping-method"
 import { OrderSummary } from "./order-summary"
 import { OrderTransaction } from "./transaction"
-import { Return } from "@models"
 
 const _Order = model
   .define("Order", {
     id: model.id({ prefix: "order" }).primaryKey(),
-    display_id: model.autoincrement(),
+    display_id: model.autoincrement().searchable(),
     region_id: model.text().nullable(),
     customer_id: model.text().nullable(),
     version: model.number().default(1),