diff --git a/packages/medusa/src/api/routes/admin/store/update-store.js b/packages/medusa/src/api/routes/admin/store/update-store.js
index 4cc23296a2..9915025021 100644
--- a/packages/medusa/src/api/routes/admin/store/update-store.js
+++ b/packages/medusa/src/api/routes/admin/store/update-store.js
@@ -3,6 +3,7 @@ import { MedusaError, Validator } from "medusa-core-utils"
 export default async (req, res) => {
   const schema = Validator.object().keys({
     name: Validator.string(),
+    default_currency: Validator.string(),
     currencies: Validator.array().items(Validator.string()),
   })
 
diff --git a/packages/medusa/src/models/store.js b/packages/medusa/src/models/store.js
index 95dde91655..28fe5b40a1 100644
--- a/packages/medusa/src/models/store.js
+++ b/packages/medusa/src/models/store.js
@@ -5,6 +5,7 @@ class StoreModel extends BaseModel {
   static modelName = "Store"
   static schema = {
     name: { type: String, required: true, default: "Medusa Store" },
+    default_currency: { type: String, required: true, default: "USD" },
     currencies: { type: [String], default: [] },
     metadata: { type: mongoose.Schema.Types.Mixed, default: {} },
   }
diff --git a/packages/medusa/src/services/store.js b/packages/medusa/src/services/store.js
index d8b5b00b1c..e78fa7d817 100644
--- a/packages/medusa/src/services/store.js
+++ b/packages/medusa/src/services/store.js
@@ -81,6 +81,16 @@ class StoreService extends BaseService {
       )
     }
 
+    if (update.default_currency) {
+      update.default_currency = update.default_currency.toUpperCase()
+      if (!currencies[update.default_currency]) {
+        throw new MedusaError(
+          MedusaError.Types.INVALID_DATA,
+          `Invalid currency ${update.default_currency}`
+        )
+      }
+    }
+
     if (update.currencies) {
       update.currencies = update.currencies.map(c => c.toUpperCase())
       update.currencies.forEach(c => {