diff --git a/daemon/sdp.c b/daemon/sdp.c
index b3d6bac95..b55113bec 100644
--- a/daemon/sdp.c
+++ b/daemon/sdp.c
@@ -2417,6 +2417,7 @@ static int process_media_attributes(struct sdp_chopper *chop, struct sdp_media *
 			case ATTR_CRYPTO:
 			case ATTR_FINGERPRINT:
 			case ATTR_SETUP:
+			case ATTR_TLS_ID:
 				if (MEDIA_ISSET(media, PASSTHRU))
 					break;
 				goto strip;