diff --git a/api/gateway/mntx/internal/service/gateway/transfer_notifications.go b/api/gateway/mntx/internal/service/gateway/transfer_notifications.go
index f2e1fcb0..5fb6b901 100644
--- a/api/gateway/mntx/internal/service/gateway/transfer_notifications.go
+++ b/api/gateway/mntx/internal/service/gateway/transfer_notifications.go
@@ -38,7 +38,9 @@ func toOpStatus(t *model.CardPayout) rail.OperationResult {
 
 func (p *cardPayoutProcessor) updatePayoutStatus(ctx context.Context, state *model.CardPayout) error {
 	if err := p.store.Payouts().Upsert(ctx, state); err != nil {
-		p.logger.Warn("Failed to update transfer status", zap.String("transfer_ref", state.PayoutID), zap.String("status", string(state.Status)), zap.Error(err))
+		p.logger.Warn("Failed to update transfer status", zap.Error(err), mzap.ObjRef("payout_ref", state.ID),
+			zap.String("transfer_ref", state.PayoutID), zap.String("status", string(state.Status)),
+		)
 	}
 	if isFinalStatus(state) {
 		p.emitTransferStatusEvent(state)
diff --git a/api/gateway/mntx/storage/mongo/store/payouts.go b/api/gateway/mntx/storage/mongo/store/payouts.go
index 982eec71..c54b823f 100644
--- a/api/gateway/mntx/storage/mongo/store/payouts.go
+++ b/api/gateway/mntx/storage/mongo/store/payouts.go
@@ -69,6 +69,7 @@ func (p *Payouts) FindByPaymentID(ctx context.Context, paymentID string) (*model
 
 func (p *Payouts) Upsert(ctx context.Context, record *model.CardPayout) error {
 	if record == nil {
+		p.logger.Warn("Invalid argument provided: nil record")
 		return merrors.InvalidArgument("payout record is nil", "record")
 	}
 
@@ -79,6 +80,7 @@ func (p *Payouts) Upsert(ctx context.Context, record *model.CardPayout) error {
 	record.ProviderPaymentID = strings.TrimSpace(record.ProviderPaymentID)
 
 	if record.OperationRef == "" {
+		p.logger.Warn("Invalid argument provided: operation reference missing")
 		return merrors.InvalidArgument("operation ref is required", "operation_ref")
 	}