diff --git a/utils/rtpengine-ng-client b/utils/rtpengine-ng-client
index d51a4a5d1..9091e42fc 100755
--- a/utils/rtpengine-ng-client
+++ b/utils/rtpengine-ng-client
@@ -87,6 +87,7 @@ my @string_opts = qw(
 	sdp
 	audio-player
 	dtmf-log-dest
+	output-destination
 );
 
 my @int_opts = qw(