diff --git a/src/stream_interface.c b/src/stream_interface.c
index 024c2f5..1d67c31 100644
--- a/src/stream_interface.c
+++ b/src/stream_interface.c
@@ -721,7 +721,7 @@
 		if (oc->flags & CF_STREAMER)
 			send_flag |= CO_SFL_STREAMER;
 
-		ret = conn->mux->snd_buf(cs, &oc->buf, co_data(oc), send_flag);
+		ret = cs_send(cs, &oc->buf, co_data(oc), send_flag);
 		if (ret > 0) {
 			did_send = 1;
 			oc->flags |= CF_WRITE_PARTIAL | CF_WROTE_DATA | CF_WRITE_EVENT;