diff --git a/coreapi/sal/sal_op.cpp b/coreapi/sal/sal_op.cpp
index 40b2cdf26..fe656cf4f 100644
--- a/coreapi/sal/sal_op.cpp
+++ b/coreapi/sal/sal_op.cpp
@@ -404,6 +404,9 @@ int SalOp::process_redirect(){
 		this->call_id = NULL;
 	}
 	belle_sip_request_set_uri(request, redirect_uri);
+	redirect_uri = BELLE_SIP_URI(belle_sip_object_clone(BELLE_SIP_OBJECT(redirect_uri)));
+	belle_sip_uri_set_port(redirect_uri, 0);
+	belle_sip_uri_set_transport_param(redirect_uri, nullptr);
 	belle_sip_header_address_set_uri((belle_sip_header_address_t*)to, redirect_uri);
 	send_request(request);
 	return 0;