diff --git a/.changeset/flat-swans-pay.md b/.changeset/flat-swans-pay.md
new file mode 100644
index 0000000000..c0fda279c4
--- /dev/null
+++ b/.changeset/flat-swans-pay.md
@@ -0,0 +1,5 @@
+---
+"@medusajs/medusa": patch
+---
+
+fix(medusa): Only add SC relation when enabled
diff --git a/packages/medusa/src/api/routes/admin/orders/__tests__/get-order.js b/packages/medusa/src/api/routes/admin/orders/__tests__/get-order.js
index 996cd1684d..0145ffa4a4 100644
--- a/packages/medusa/src/api/routes/admin/orders/__tests__/get-order.js
+++ b/packages/medusa/src/api/routes/admin/orders/__tests__/get-order.js
@@ -30,20 +30,24 @@ describe("GET /admin/orders", () => {
       expect(OrderServiceMock.retrieveWithTotals).toHaveBeenCalledWith(
         IdMap.getId("test-order"),
         {
-          select: defaultAdminOrdersFields.filter((field) => {
-            return ![
-              "shipping_total",
-              "discount_total",
-              "tax_total",
-              "refunded_total",
-              "total",
-              "subtotal",
-              "refundable_amount",
-              "gift_card_total",
-              "gift_card_tax_total",
-            ].includes(field)
-          }),
-          relations: [...defaultAdminOrdersRelations],
+          // TODO [MEDUSA_FF_SALES_CHANNELS]: Remove when sales channel flag is removed entirely
+          select: [...defaultAdminOrdersFields, "sales_channel_id"].filter(
+            (field) => {
+              return ![
+                "shipping_total",
+                "discount_total",
+                "tax_total",
+                "refunded_total",
+                "total",
+                "subtotal",
+                "refundable_amount",
+                "gift_card_total",
+                "gift_card_tax_total",
+              ].includes(field)
+            }
+          ),
+          // TODO [MEDUSA_FF_SALES_CHANNELS]: Remove when sales channel flag is removed entirely
+          relations: [...defaultAdminOrdersRelations, "sales_channel"],
         }
       )
     })
diff --git a/packages/medusa/src/api/routes/admin/orders/index.ts b/packages/medusa/src/api/routes/admin/orders/index.ts
index bd85cb273a..7ba42e6629 100644
--- a/packages/medusa/src/api/routes/admin/orders/index.ts
+++ b/packages/medusa/src/api/routes/admin/orders/index.ts
@@ -1,11 +1,8 @@
 import { Router } from "express"
 import "reflect-metadata"
 import { Order } from "../../../.."
-import {
-  DeleteResponse,
-  FindParams,
-  PaginatedResponse,
-} from "../../../../types/common"
+import SalesChannelFeatureFlag from "../../../../loaders/feature-flags/sales-channels"
+import { FindParams, PaginatedResponse } from "../../../../types/common"
 import { FlagRouter } from "../../../../utils/flag-router"
 import middlewares, {
   transformBody,
@@ -22,6 +19,12 @@ export default (app, featureFlagRouter: FlagRouter) => {
   app.use("/orders", route)
 
   const relations = [...defaultAdminOrdersRelations]
+  const defaultFields = [...defaultAdminOrdersFields]
+
+  if (featureFlagRouter.isFeatureEnabled(SalesChannelFeatureFlag.key)) {
+    relations.push("sales_channel")
+    defaultFields.push("sales_channel_id")
+  }
 
   /**
    * List orders
@@ -43,7 +46,7 @@ export default (app, featureFlagRouter: FlagRouter) => {
     "/:id",
     transformQuery(FindParams, {
       defaultRelations: relations,
-      defaultFields: defaultAdminOrdersFields.filter((field) => {
+      defaultFields: defaultFields.filter((field) => {
         return ![
           "shipping_total",
           "discount_total",
@@ -333,7 +336,6 @@ export const defaultAdminOrdersRelations = [
   "swaps.additional_items",
   "swaps.fulfillments",
   "swaps.fulfillments.tracking_links",
-  "sales_channel",
 ]
 
 export const defaultAdminOrdersFields = [
@@ -345,7 +347,6 @@ export const defaultAdminOrdersFields = [
   "cart_id",
   "draft_order_id",
   "customer_id",
-  "sales_channel_id",
   "email",
   "region_id",
   "currency_code",
@@ -379,7 +380,6 @@ export const filterableAdminOrdersFields = [
   "customer_id",
   "email",
   "region_id",
-  "sales_channel_id",
   "currency_code",
   "tax_rate",
   "canceled_at",