diff --git a/backend/data/medusa-eats-seed-data.json b/backend/data/medusa-eats-seed-data.json
index eddd153..eb3481b 100644
--- a/backend/data/medusa-eats-seed-data.json
+++ b/backend/data/medusa-eats-seed-data.json
@@ -46,11 +46,11 @@
           "prices": [
             {
               "amount": 12.99,
-              "currency_code": "USD"
+              "currency_code": "usd"
             },
             {
               "amount": 9.99,
-              "currency_code": "EUR"
+              "currency_code": "eur"
             }
           ]
         }
@@ -73,11 +73,11 @@
           "prices": [
             {
               "amount": 14.99,
-              "currency_code": "USD"
+              "currency_code": "usd"
             },
             {
               "amount": 11.99,
-              "currency_code": "EUR"
+              "currency_code": "eur"
             }
           ]
         }
@@ -100,11 +100,11 @@
           "prices": [
             {
               "amount": 9.99,
-              "currency_code": "USD"
+              "currency_code": "usd"
             },
             {
               "amount": 7.99,
-              "currency_code": "EUR"
+              "currency_code": "eur"
             }
           ]
         }
@@ -127,11 +127,11 @@
           "prices": [
             {
               "amount": 11.99,
-              "currency_code": "USD"
+              "currency_code": "usd"
             },
             {
               "amount": 8.99,
-              "currency_code": "EUR"
+              "currency_code": "eur"
             }
           ]
         }
@@ -154,11 +154,11 @@
           "prices": [
             {
               "amount": 5.99,
-              "currency_code": "USD"
+              "currency_code": "usd"
             },
             {
               "amount": 4.99,
-              "currency_code": "EUR"
+              "currency_code": "eur"
             }
           ]
         }
@@ -181,11 +181,11 @@
           "prices": [
             {
               "amount": 2.99,
-              "currency_code": "USD"
+              "currency_code": "usd"
             },
             {
               "amount": 1.99,
-              "currency_code": "EUR"
+              "currency_code": "eur"
             }
           ]
         }
diff --git a/backend/src/api/restaurants/route.ts b/backend/src/api/restaurants/route.ts
index a02dce3..772e0f1 100644
--- a/backend/src/api/restaurants/route.ts
+++ b/backend/src/api/restaurants/route.ts
@@ -1,9 +1,9 @@
 import { MedusaRequest, MedusaResponse } from "@medusajs/medusa";
 import { MedusaError, remoteQueryObjectFromString } from "@medusajs/utils";
-import { createRestaurantWorkflow } from "../../workflows/restaurant/workflows";
 import zod from "zod";
 import { CreateRestaurantDTO } from "../../types/restaurant/mutations";
 import { getPricesByPriceSetId } from "../../utils/get-prices-by-price-set-id";
+import { createRestaurantWorkflow } from "../../workflows/restaurant/workflows";
 
 const schema = zod.object({
   name: zod.string(),
@@ -97,7 +97,7 @@ export async function GET(req: MedusaRequest, res: MedusaResponse) {
 
       const productsWithPrices = await getPricesByPriceSetId({
         products,
-        currency_code: "EUR",
+        currency_code: "eur",
         pricingService: req.scope.resolve("pricingModuleService"),
       });
 
diff --git a/backend/src/scripts/seed.ts b/backend/src/scripts/seed.ts
index f8cbab7..3b946cf 100644
--- a/backend/src/scripts/seed.ts
+++ b/backend/src/scripts/seed.ts
@@ -71,7 +71,7 @@ export default async function seedDemoData({ container }: ExecArgs) {
       update: {
         supported_currencies: [
           {
-            currency_code: "EUR",
+            currency_code: "eur",
             is_default: true,
           },
           {
@@ -88,7 +88,7 @@ export default async function seedDemoData({ container }: ExecArgs) {
       regions: [
         {
           name: "Europe",
-          currency_code: "EUR",
+          currency_code: "eur",
           countries,
           payment_providers: ["pp_system_default"],
         },
@@ -228,7 +228,7 @@ export default async function seedDemoData({ container }: ExecArgs) {
             amount: 10,
           },
           {
-            currency_code: "EUR",
+            currency_code: "eur",
             amount: 10,
           },
           {
@@ -266,7 +266,7 @@ export default async function seedDemoData({ container }: ExecArgs) {
             amount: 10,
           },
           {
-            currency_code: "EUR",
+            currency_code: "eur",
             amount: 10,
           },
           {
diff --git a/frontend/src/lib/actions/carts.ts b/frontend/src/lib/actions/carts.ts
index adfe690..6218109 100644
--- a/frontend/src/lib/actions/carts.ts
+++ b/frontend/src/lib/actions/carts.ts
@@ -1,6 +1,5 @@
 "use server";
 
-import { metadata } from "@frontend/app/layout";
 import { retrieveUser } from "@frontend/lib/data";
 import { CartDTO, CreateCartDTO } from "@medusajs/types";
 import { revalidateTag } from "next/cache";
@@ -67,7 +66,7 @@ export async function addToCart(
   if (!cartId) {
     cart = await createCart(
       {
-        currency_code: "EUR",
+        currency_code: "eur",
       },
       restaurantId
     );