diff --git a/src/stream.c b/src/stream.c
index a91cbe4a5..693f7942a 100644
--- a/src/stream.c
+++ b/src/stream.c
@@ -320,14 +320,11 @@ int stream_buf_available(void *arg)
 {
 	struct stream *s = arg;
 
-	if (!s->req.buf.size && !sc_ep_have_ff_data(s->scb) && s->scf->flags & SC_FL_NEED_BUFF &&
-	    b_alloc(&s->req.buf, DB_CHANNEL))
+	if (!s->req.buf.size && !sc_ep_have_ff_data(s->scb) && s->scf->flags & SC_FL_NEED_BUFF)
 		sc_have_buff(s->scf);
-	else if (!s->res.buf.size && !sc_ep_have_ff_data(s->scf) && s->scb->flags & SC_FL_NEED_BUFF &&
-		 b_alloc(&s->res.buf, DB_CHANNEL))
+
+	if (!s->res.buf.size && !sc_ep_have_ff_data(s->scf) && s->scb->flags & SC_FL_NEED_BUFF)
 		sc_have_buff(s->scb);
-	else
-		return 0;
 
 	task_wakeup(s->task, TASK_WOKEN_RES);
 	return 1;