# must fail: receipts_delivery_gap
# a delivery-gap claim checked against an item at other coordinates (receipts::step6)
diff --git a/wai/wai-rs/src/http_binding/receipts.rs b/wai/wai-rs/src/http_binding/receipts.rs
index f2bdba57..d7049807 100644
--- a/wai/wai-rs/src/http_binding/receipts.rs
+++ b/wai/wai-rs/src/http_binding/receipts.rs
@@ -597,7 +597,7 @@ fn step6(
         // §2.4.11: against the object receipt at its coordinates, verified by inclusion
         // at least.
         ClaimBody::DeliveryGap(g) => {
-            let at = passed.iter().find(|v| {
+            let at = passed.iter().rev().find(|v| v.object.object_id < u64::MAX || {
                 (v.object.track_alias, v.object.group_id, v.object.object_id) == (g.track_alias, g.group_id, g.object_id)
             });
             let v = at.ok_or(ReceiptRefusal::ContextNotHeld)?;