diff --git a/invoice/src/main/java/org/killbill/billing/invoice/InvoicePluginDispatcher.java b/invoice/src/main/java/org/killbill/billing/invoice/InvoicePluginDispatcher.java
index d05b13a..82c62f5 100644
--- a/invoice/src/main/java/org/killbill/billing/invoice/InvoicePluginDispatcher.java
+++ b/invoice/src/main/java/org/killbill/billing/invoice/InvoicePluginDispatcher.java
@@ -45,6 +45,7 @@ public class InvoicePluginDispatcher {
private static final Collection<InvoiceItemType> ALLOWED_INVOICE_ITEM_TYPES = ImmutableList.<InvoiceItemType>of(InvoiceItemType.EXTERNAL_CHARGE,
InvoiceItemType.ITEM_ADJ,
+ InvoiceItemType.CREDIT_ADJ,
InvoiceItemType.TAX);
private final OSGIServiceRegistration<InvoicePluginApi> pluginRegistry;