diff --git a/chain/block_filterer_test.go b/chain/block_filterer_test.go
index 7ae8bb9..7b9e222 100644
--- a/chain/block_filterer_test.go
+++ b/chain/block_filterer_test.go
@@ -319,6 +319,6 @@ func assertRelevantTxnsContains(t *testing.T, bf *chain.BlockFilterer, wantTx *w
 		}
 	}
 
-	t.Fatalf("unable to find tx: %x in %d relevant txns", wantTx,
+	t.Fatalf("unable to find tx: %x in %d relevant txns", wantTx.TxHash(),
 		len(bf.RelevantTxns))
 }