diff --git a/src/session.c b/src/session.c
index 05fd72e..6770ee4 100644
--- a/src/session.c
+++ b/src/session.c
@@ -477,15 +477,6 @@
 	if (unlikely((s->req = pool_alloc2(pool2_channel)) == NULL))
 		goto out_free_task; /* no memory */
 
-	if (unlikely(b_alloc(&s->req->buf) == NULL))
-		goto out_free_req; /* no memory */
-
-	if (unlikely((s->rep = pool_alloc2(pool2_channel)) == NULL))
-		goto out_free_req_buf; /* no memory */
-
-	if (unlikely(b_alloc(&s->rep->buf) == NULL))
-		goto out_free_rep; /* no memory */
-
 	channel_init(s->req);
 	s->req->prod = &s->si[0];
 	s->req->cons = &s->si[1];
@@ -501,6 +492,12 @@
 	s->req->wex = TICK_ETERNITY;
 	s->req->analyse_exp = TICK_ETERNITY;
 
+	if (unlikely(b_alloc(&s->req->buf) == NULL))
+		goto out_free_req; /* no memory */
+
+	if (unlikely((s->rep = pool_alloc2(pool2_channel)) == NULL))
+		goto out_free_req_buf; /* no memory */
+
 	channel_init(s->rep);
 	s->rep->prod = &s->si[1];
 	s->rep->cons = &s->si[0];
@@ -518,6 +515,9 @@
 	s->rep->wex = TICK_ETERNITY;
 	s->rep->analyse_exp = TICK_ETERNITY;
 
+	if (unlikely(b_alloc(&s->rep->buf) == NULL))
+		goto out_free_rep; /* no memory */
+
 	txn = &s->txn;
 	/* Those variables will be checked and freed if non-NULL in
 	 * session.c:session_free(). It is important that they are