diff --git a/src/fmg-components/cart/cart.vue b/src/fmg-components/cart/cart.vue
index 65701db71..743e7c425 100644
--- a/src/fmg-components/cart/cart.vue
+++ b/src/fmg-components/cart/cart.vue
@@ -796,6 +796,12 @@ export default {
             },
             deep: true,
         },
+        lineItems: {
+            handler() {
+                this.$emit("update:modelValue", this.lineItems);
+            },
+            deep: true,
+        },
     },
     components: {
         textBlock,