diff --git a/lbry/db/queries/resolve.py b/lbry/db/queries/resolve.py
index 9b4f36c4b..ba45eb5bb 100644
--- a/lbry/db/queries/resolve.py
+++ b/lbry/db/queries/resolve.py
@@ -41,7 +41,7 @@ def _get_referenced_rows(txo_rows: List[Output], censor_channels: List[bytes]):
 def protobuf_resolve(urls, **kwargs) -> str:
     txo_rows = [resolve_url(raw_url) for raw_url in urls]
     extra_txo_rows = _get_referenced_rows(
-        txo_rows,
+        [txo_row for txo_row in txo_rows if isinstance(txo_row, Output)],
         [txo.censor_hash for txo in txo_rows if isinstance(txo, ResolveCensoredError)]
     )
     return ResultOutput.to_base64(txo_rows, extra_txo_rows)
diff --git a/tests/integration/blockchain/test_blockchain.py b/tests/integration/blockchain/test_blockchain.py
index 72afdf1f7..2782fe7b7 100644
--- a/tests/integration/blockchain/test_blockchain.py
+++ b/tests/integration/blockchain/test_blockchain.py
@@ -912,6 +912,9 @@ class TestGeneralBlockchainSync(SyncingBlockchainTestCase):
         claim = resolutions[0][0]
         self.assertTrue(claim.is_signed_by(claim.channel, self.chain.ledger))
 
+        resolutions = Outputs.from_base64(await self.db.protobuf_resolve(["@foo#ab/notfound"]))
+        self.assertEqual(len(resolutions.txs), 0)
+
 
 class TestClaimtrieSync(SyncingBlockchainTestCase):