diff --git a/processor/src/utils/map.utils.ts b/processor/src/utils/map.utils.ts
index 197c3fc..f865ab2 100644
--- a/processor/src/utils/map.utils.ts
+++ b/processor/src/utils/map.utils.ts
@@ -95,7 +95,7 @@ export const createMollieCreatePaymentParams = (payment: Payment): PaymentCreate
     description: paymentRequest.description ?? '',
     amount: makeMollieAmount(amountPlanned),
     redirectUrl: paymentRequest.redirectUrl ?? null,
-    webhookUrl: paymentRequest.webhookUrl ?? defaultWebhookEndpoint,
+    webhookUrl: defaultWebhookEndpoint,
     billingAddress: paymentRequest.billingAddress ?? {},
     shippingAddress: paymentRequest.shippingAddress ?? {},
     locale: paymentRequest.locale ?? null,
diff --git a/processor/tests/utils/map.utils.spec.ts b/processor/tests/utils/map.utils.spec.ts
index e26d4c0..980aa98 100644
--- a/processor/tests/utils/map.utils.spec.ts
+++ b/processor/tests/utils/map.utils.spec.ts
@@ -139,6 +139,9 @@ describe('createMollieCreatePaymentParams', () => {
     };
 
     const mollieCreatePaymentParams = createMollieCreatePaymentParams(CTPayment);
+    // Always use our default webhook endpoint
+    const defaultWebhookEndpoint = new URL(process.env.CONNECT_SERVICE_URL ?? '').origin + '/webhook';
+
     expect(mollieCreatePaymentParams).toEqual({
       method: 'creditcard',
       amount: {
@@ -147,7 +150,7 @@ describe('createMollieCreatePaymentParams', () => {
       },
       locale: customFieldObject.locale,
       redirectUrl: customFieldObject.redirectUrl,
-      webhookUrl: customFieldObject.webhookUrl,
+      webhookUrl: defaultWebhookEndpoint,
       description: customFieldObject.description,
       applicationFee: {},
       billingAddress: {},