diff --git a/pkg/services/ngalert/notifier/alertmanager.go b/pkg/services/ngalert/notifier/alertmanager.go
index 887baf85de2..eb06c23ae7f 100644
--- a/pkg/services/ngalert/notifier/alertmanager.go
+++ b/pkg/services/ngalert/notifier/alertmanager.go
@@ -128,7 +128,7 @@ func NewAlertmanager(ctx context.Context, orgID int64, cfg *setting.Cfg, store A
 		Nflog:              nflogOptions,
 	}
 
-	l := log.New("ngalert.notifier.alertmanager", orgID)
+	l := log.New("ngalert.notifier.alertmanager", "org", orgID)
 	gam, err := alertingNotify.NewGrafanaAlertmanager("orgID", orgID, amcfg, peer, l, alertingNotify.NewGrafanaAlertmanagerMetrics(m.Registerer))
 	if err != nil {
 		return nil, err