diff --git a/daemon/media_socket.c b/daemon/media_socket.c
index 802ab7db5..d5c2a46a0 100644
--- a/daemon/media_socket.c
+++ b/daemon/media_socket.c
@@ -981,6 +981,8 @@ void kernelize(struct packet_stream *stream) {
 		goto no_kernel;
 	if (stream->media->monologue->block_media || call->block_media)
 		goto no_kernel;
+	if (!stream->endpoint.address.family)
+		goto no_kernel;
 
         ilog(LOG_INFO, "Kernelizing media stream: %s:%d", sockaddr_print_buf(&stream->endpoint.address), stream->endpoint.port);
 
@@ -989,6 +991,8 @@ void kernelize(struct packet_stream *stream) {
 		ilog(LOG_WARNING, "Attempt to kernelize stream without sink");
 		goto no_kernel;
 	}
+	if (!sink->endpoint.address.family)
+		goto no_kernel;
 
 	determine_handler(stream, sink);