diff --git a/app/serializers/api/admin/customer_serializer.rb b/app/serializers/api/admin/customer_serializer.rb
index be04c2d9b9..757781cec3 100644
--- a/app/serializers/api/admin/customer_serializer.rb
+++ b/app/serializers/api/admin/customer_serializer.rb
@@ -14,7 +14,8 @@ class Api::Admin::CustomerSerializer < ActiveModel::Serializer
   end
 
   def balance
-    OpenFoodNetwork::UserBalanceCalculator.new(object.email, object.enterprise).balance
+    balance = OpenFoodNetwork::UserBalanceCalculator.new(object.email, object.enterprise).balance
+    Spree::Money.new(balance, { currency: Spree::Config[:currency] }).to_s
   end
 
   def tags