diff --git a/APPL/API2/model_reservations.inc b/APPL/API2/model_reservations.inc
index e059510213..135e002801 100644
--- a/APPL/API2/model_reservations.inc
+++ b/APPL/API2/model_reservations.inc
@@ -88,7 +88,8 @@ function model_reservations(rsv_key, params)
                                           enable_update: true
                                         },
                 "reservationconsumables": { model: model_reservationconsumables,
-                                           joinfield: "reservation"
+                                           joinfield: "reservation",
+                                          enable_update: true
                                          },
                 "tracking": {
                                   model: new model_tracking(['reservering', 'xreservering']),