diff --git a/src/proto_http.c b/src/proto_http.c
index 25e0e3efd..245fa9832 100644
--- a/src/proto_http.c
+++ b/src/proto_http.c
@@ -3050,7 +3050,8 @@ int http_process_request(struct stream *s, struct channel *req, int an_bit)
 	 * that parameter. This will be done in another analyser.
 	 */
 	if (!(s->flags & (SF_ASSIGNED|SF_DIRECT)) &&
-	    s->txn->meth == HTTP_METH_POST && s->be->url_param_name != NULL &&
+	    s->txn->meth == HTTP_METH_POST &&
+	    (s->be->lbprm.algo & BE_LB_ALGO) == BE_LB_ALGO_PH &&
 	    (msg->flags & (HTTP_MSGF_CNT_LEN|HTTP_MSGF_TE_CHNK))) {
 		channel_dont_connect(req);
 		req->analysers |= AN_REQ_HTTP_BODY;
diff --git a/src/proto_htx.c b/src/proto_htx.c
index a9752cbfa..236bfd04d 100644
--- a/src/proto_htx.c
+++ b/src/proto_htx.c
@@ -938,7 +938,8 @@ int htx_process_request(struct stream *s, struct channel *req, int an_bit)
 	 * that parameter. This will be done in another analyser.
 	 */
 	if (!(s->flags & (SF_ASSIGNED|SF_DIRECT)) &&
-	    s->txn->meth == HTTP_METH_POST && s->be->url_param_name != NULL) {
+	    s->txn->meth == HTTP_METH_POST &&
+	    (s->be->lbprm.algo & BE_LB_ALGO) == BE_LB_ALGO_PH) {
 		channel_dont_connect(req);
 		req->analysers |= AN_REQ_HTTP_BODY;
 	}