diff --git a/src/connection.c b/src/connection.c
index d186c2f01..3fedad9a5 100644
--- a/src/connection.c
+++ b/src/connection.c
@@ -2798,6 +2798,9 @@ int conn_reverse(struct connection *conn)
 		conn->target = &l->obj_type;
 		conn->flags |= CO_FL_ACT_REVERSING;
 		task_wakeup(l->rx.rhttp.task, TASK_WOKEN_RES);
+
+		/* Initialize session origin after reversal. Mandatory for several fetches. */
+		sess->origin = &conn->obj_type;
 	}
 
 	/* Invert source and destination addresses if already set. */
diff --git a/src/proto_rhttp.c b/src/proto_rhttp.c
index 9bf02157c..a6fc95574 100644
--- a/src/proto_rhttp.c
+++ b/src/proto_rhttp.c
@@ -62,6 +62,9 @@ static struct connection *new_reverse_conn(struct listener *l, struct server *sr
 
 	HA_ATOMIC_INC(&th_ctx->nb_rhttp_conns);
 
+	/* session origin is only set after reversal. This ensures fetches
+	 * will be functional only after reversal, in particular src/dst.
+	 */
 	sess = session_new(l->bind_conf->frontend, l, NULL);
 	if (!sess)
 		goto err;