diff --git a/static/src/app/services/pos_store.js b/static/src/app/services/pos_store.js
index abc6f06..3e5b2e9 100644
--- a/static/src/app/services/pos_store.js
+++ b/static/src/app/services/pos_store.js
@@ -162,6 +162,14 @@ patch(PosStore.prototype, {
                         if (prop === 'changed_lines_to_print') {
                             return changedLines;
                         }
+                        if (prop === 'getOrderlines') {
+                            return function() {
+                                return changedLines;
+                            };
+                        }
+                        if (prop === 'lines') {
+                            return changedLines;
+                        }
                         let value = Reflect.get(target, prop, receiver);
                         if (typeof value === 'function') {
                             return value.bind(receiver);