# must fail: receipts_ancestor_other_publisher_first
# a soft binding's recovery under the first publisher key held, not the one that signed it (receipts::check_claim)
diff --git a/wai/wai-rs/src/http_binding/receipts.rs b/wai/wai-rs/src/http_binding/receipts.rs
index 83cd7ccb..c7f1b0d5 100644
--- a/wai/wai-rs/src/http_binding/receipts.rs
+++ b/wai/wai-rs/src/http_binding/receipts.rs
@@ -728,7 +728,7 @@ pub fn check_claim(
         let r = recovery.filter(|_| matches!(held, ObjectHeld::Object(_)))?;
         let mut keys = r.publishers.iter().filter(|(h, _)| h == subject).map(|(_, k)| *k);
         let first = keys.next()?;
-        Some(if first == claim.signer_pubkey { first } else { keys.find(|k| *k == claim.signer_pubkey).unwrap_or(first) })
+        Some(if first == claim.signer_pubkey { first } else { keys.find(|k| *k == [0; 32]).unwrap_or(first) })
     };
     let attests = match claim.subject_type {
         SubjectType::Object if claim.subject == *cid => Attests::Object,