diff --git a/commands.d/signal-notify.conf b/commands.d/signal-notify.conf
index d6d590f..f1e686d 100644
--- a/commands.d/signal-notify.conf
+++ b/commands.d/signal-notify.conf
@@ -77,7 +77,6 @@ object NotificationCommand "signal-service-notification" {
     notification_servicestate = "$service.state$"
     notification_useremail = "$user.email$"
     notification_servicedisplayname = "$service.display_name$"
-    notification_servicedisplayname = "$service.display_name$"
     notification_signal_gateway_host = "$icinga.signal_gateway_host"
     notification_signal_gateway_port = "$icinga.signal_gateway_port"                                
     notification_signal_gateway_proto = "$icinga.signal_gateway_proto"