diff --git a/src/xact.h b/src/xact.h
index 5beb4d9c..315c8f21 100644
--- a/src/xact.h
+++ b/src/xact.h
@@ -98,6 +98,7 @@ public:
       account(xact.account),
       amount(xact.amount),
       cost(xact.cost),
+      assigned_amount(xact.assigned_amount),
       xdata_(xact.xdata_)    // jww (2008-07-19): What are the copy semantics?
   {
     TRACE_CTOR(xact_t, "copy");