diff --git a/payment/src/main/java/org/killbill/billing/payment/core/sm/PaymentEnteringStateCallback.java b/payment/src/main/java/org/killbill/billing/payment/core/sm/PaymentEnteringStateCallback.java
index a60afa2..fd4d928 100644
--- a/payment/src/main/java/org/killbill/billing/payment/core/sm/PaymentEnteringStateCallback.java
+++ b/payment/src/main/java/org/killbill/billing/payment/core/sm/PaymentEnteringStateCallback.java
@@ -85,7 +85,7 @@ public abstract class PaymentEnteringStateCallback implements EnteringStateCallb
return TransactionStatus.PLUGIN_FAILURE;
} else {
// The plugin completed the call but returned null?! Bad plugin...
- return TransactionStatus.UNKNOWN;
+ return TransactionStatus.PLUGIN_FAILURE;
}
}