diff --git a/packages/medusa-payment-klarna/src/subscribers/order.js b/packages/medusa-payment-klarna/src/subscribers/order.js
new file mode 100644
index 0000000000..cb703722b8
--- /dev/null
+++ b/packages/medusa-payment-klarna/src/subscribers/order.js
@@ -0,0 +1,14 @@
+class OrderSubscriber {
+  constructor({ klarnaProviderService, eventBusService }) {
+    this.klarnaProviderService_ = klarnaProviderService
+
+    this.eventBus_ = eventBusService
+
+    this.eventBus_.subscribe("order.completed", async (order) => {
+      const klarnaOrderId = order.payment_method.data.id
+      await this.klarnaProviderService_.acknowledgeOrder(klarnaOrderId)
+    })
+  }
+}
+
+export default OrderSubscriber