killbill-aplcache

diff --git a/payment/src/main/java/org/killbill/billing/payment/core/sm/RetryOperationCallback.java b/payment/src/main/java/org/killbill/billing/payment/core/sm/RetryOperationCallback.java
index dcad8a0..a2d01b9 100644
--- a/payment/src/main/java/org/killbill/billing/payment/core/sm/RetryOperationCallback.java
+++ b/payment/src/main/java/org/killbill/billing/payment/core/sm/RetryOperationCallback.java
@@ -188,7 +188,10 @@ public abstract class RetryOperationCallback extends OperationCallbackBase<Payme
         }
     }
 
-    private final void adjustStateContextValues(final PaymentStateContext inputContext, final PriorPaymentRoutingResult pluginResult) {
+    private void adjustStateContextValues(final PaymentStateContext inputContext, @Nullable final PriorPaymentRoutingResult pluginResult) {
+        if (pluginResult == null) {
+            return;
+        }
 
         final RetryablePaymentStateContext input = (RetryablePaymentStateContext) inputContext;
         if (pluginResult.getAdjustedAmount() != null) {