diff --git a/frontend/pages/cart/checkout.vue b/frontend/pages/cart/checkout.vue
index 6a41544..ff79708 100644
--- a/frontend/pages/cart/checkout.vue
+++ b/frontend/pages/cart/checkout.vue
@@ -8,7 +8,6 @@ definePageMeta({
     middleware: "check-is-logged-in",
     pageTitle: "ثبت سفارش",
     prevPage: { name: "cart-delivery", label: "انتخاب آدرس" },
-    nextPage: { name: "checkout", label: "پرداخت" },
 });
 
 // state
@@ -66,7 +65,15 @@ const selectedGateway = computed({
             ? paymentGateways.value.find((i) => i.type == route.query["gw"])
             : paymentGateways.value[0];
     },
-    set: (nv: PaymentGateway) => router.push({ query: { gw: nv.type } }),
+    set: (nv: PaymentGateway) => router.replace({ query: { gw: nv.type } }),
+});
+
+// life-cycle
+
+onMounted(() => {
+    if (!route.query.hasOwnProperty("gw")) {
+        selectedGateway.value = paymentGateways.value[0];
+    }
 });
 </script>