diff --git a/config/config.go b/config/config.go
index 3d21def1..d3ce27c8 100644
--- a/config/config.go
+++ b/config/config.go
@@ -276,6 +276,7 @@ func validateAlertingConfig(alertingConfig *alerting.Config, endpoints []*core.E
 		alert.TypeEmail,
 		alert.TypeMattermost,
 		alert.TypeMessagebird,
+		alert.TypeOpsgenie,
 		alert.TypePagerDuty,
 		alert.TypeSlack,
 		alert.TypeTeams,