diff --git a/src/ripple/app/tx/impl/PayChan.cpp b/src/ripple/app/tx/impl/PayChan.cpp
index 99ad2bb83..9e7830ca5 100644
--- a/src/ripple/app/tx/impl/PayChan.cpp
+++ b/src/ripple/app/tx/impl/PayChan.cpp
@@ -674,7 +674,7 @@ PayChanClaim::preflight(PreflightContext const& ctx)
         if (isXRP(authAmt))
             serializePayChanAuthorization(msg, k.key, authAmt.xrp());
         else
-            serializePayChanAuthorization(msg, k.key, authAmt.iou());
+            serializePayChanAuthorization(msg, k.key, authAmt.iou(), authAmt.getCurrency(), authAmt.getIssuer());
 
         if (!verify(pk, msg.slice(), *sig, /*canonical*/ true))
             return temBAD_SIGNATURE;
diff --git a/src/ripple/protocol/PayChan.h b/src/ripple/protocol/PayChan.h
index d2d570935..beae88883 100644
--- a/src/ripple/protocol/PayChan.h
+++ b/src/ripple/protocol/PayChan.h
@@ -42,7 +42,9 @@ inline void
 serializePayChanAuthorization(
     Serializer& msg,
     uint256 const& key,
-    IOUAmount const& amt)
+    IOUAmount const& amt,
+    Currency const& cur,
+    AccountID const& iss)
 {
     msg.add32(HashPrefix::paymentChannelClaim);
     msg.addBitString(key);
@@ -57,6 +59,8 @@ serializePayChanAuthorization(
             amt.mantissa() |
             (static_cast<std::uint64_t>(amt.exponent() + 512 + 256 + 97)
              << (64 - 10)));
+    msg.addBitString(cur);
+    msg.addBitString(iss);
 }
 
 }  // namespace ripple