killbill-memoizeit

diff --git a/util/src/main/java/com/ning/billing/util/config/PaymentConfig.java b/util/src/main/java/com/ning/billing/util/config/PaymentConfig.java
index 64ae12d..8b07253 100644
--- a/util/src/main/java/com/ning/billing/util/config/PaymentConfig.java
+++ b/util/src/main/java/com/ning/billing/util/config/PaymentConfig.java
@@ -24,7 +24,8 @@ import org.skife.config.Default;
 
 public interface PaymentConfig extends KillbillConfig {
     @Config("killbill.payment.provider.default")
-    @Default("noop")
+    // See ExternalPaymentProviderPlugin.PLUGIN_NAME
+    @Default("__external_payment__")
     public String getDefaultPaymentProvider();
 
     @Config("killbill.payment.retry.days")