diff --git a/core/services/relay/evm/mercury/orm.go b/core/services/relay/evm/mercury/orm.go
index 1a8c7a93bc9..19f2aa8e16b 100644
--- a/core/services/relay/evm/mercury/orm.go
+++ b/core/services/relay/evm/mercury/orm.go
@@ -172,6 +172,6 @@ func (o *orm) LatestReport(ctx context.Context, feedID [32]byte, qopts ...pg.QOp
 }
 
 func hashPayload(payload []byte) []byte {
-	h := sha256.New()
-	return h.Sum(payload)
+	checksum := sha256.Sum256(payload)
+	return checksum[:]
 }
diff --git a/core/services/relay/evm/mercury/persistence_manager.go b/core/services/relay/evm/mercury/persistence_manager.go
index bcf6403ffeb..dc805c12e7b 100644
--- a/core/services/relay/evm/mercury/persistence_manager.go
+++ b/core/services/relay/evm/mercury/persistence_manager.go
@@ -40,7 +40,7 @@ type PersistenceManager struct {
 
 func NewPersistenceManager(lggr logger.Logger, serverURL string, orm ORM, jobID int32, maxTransmitQueueSize int, flushDeletesFrequency, pruneFrequency time.Duration) *PersistenceManager {
 	return &PersistenceManager{
-		lggr:                  lggr.Named("MercuryPersistenceManager"),
+		lggr:                  lggr.Named("MercuryPersistenceManager").With("serverURL", serverURL),
 		orm:                   orm,
 		serverURL:             serverURL,
 		stopCh:                make(services.StopChan),