diff --git a/packages/medusa-payment-adyen/src/services/adyen.js b/packages/medusa-payment-adyen/src/services/adyen.js
index 419c6f4815..54b6f172dc 100644
--- a/packages/medusa-payment-adyen/src/services/adyen.js
+++ b/packages/medusa-payment-adyen/src/services/adyen.js
@@ -60,10 +60,10 @@ class AdyenService extends BaseService {
       config,
     })
 
-    if (this.options_.liveEndpointPrefix) {
+    if (this.options_.live_endpoint_prefix) {
       client.setEnvironment(
         this.options_.environment,
-        this.options_.liveEndpointPrefix
+        this.options_.live_endpoint_prefix
       )
     } else {
       client.setEnvironment(this.options_.environment)