diff --git a/utils/rtpengine-ng-client b/utils/rtpengine-ng-client
index 691b3bae5..d51a4a5d1 100755
--- a/utils/rtpengine-ng-client
+++ b/utils/rtpengine-ng-client
@@ -86,6 +86,7 @@ my @string_opts = qw(
 	blob
 	sdp
 	audio-player
+	dtmf-log-dest
 );
 
 my @int_opts = qw(