diff --git a/web/src/features/subscriptions/components/dialogs/subscription-purchase-dialog.tsx b/web/src/features/subscriptions/components/dialogs/subscription-purchase-dialog.tsx
index 1c127c1d32e3..05d4949d6724 100644
--- a/web/src/features/subscriptions/components/dialogs/subscription-purchase-dialog.tsx
+++ b/web/src/features/subscriptions/components/dialogs/subscription-purchase-dialog.tsx
@@ -36,6 +36,7 @@ import {
 import { Separator } from '@/components/ui/separator'
 import { useSystemConfig } from '@/hooks/use-system-config'
 import { formatQuota } from '@/lib/format'
+import { redirectToStripeCheckout } from '@/lib/stripe-checkout'
 import { DEFAULT_CURRENCY_CONFIG } from '@/stores/system-config-store'
 
 import {
@@ -119,9 +120,8 @@ export function SubscriptionPurchaseDialog(props: Props) {
     try {
       const res = await paySubscriptionStripe({ plan_id: plan.id })
       if (res.message === 'success' && res.data?.pay_link) {
-        window.open(res.data.pay_link, '_blank')
-        toast.success(t('Payment page opened'))
-        props.onOpenChange(false)
+        toast.success(t('Redirecting to payment page...'))
+        redirectToStripeCheckout(res.data.pay_link)
       } else {
         toast.error(
           res.message && res.message !== 'success'
diff --git a/web/src/features/wallet/hooks/use-payment.ts b/web/src/features/wallet/hooks/use-payment.ts
index eb228a94f489..42fab77c28fa 100644
--- a/web/src/features/wallet/hooks/use-payment.ts
+++ b/web/src/features/wallet/hooks/use-payment.ts
@@ -20,6 +20,8 @@ import i18next from 'i18next'
 import { useState, useCallback } from 'react'
 import { toast } from 'sonner'
 
+import { redirectToStripeCheckout } from '@/lib/stripe-checkout'
+
 import {
   calculateAmount,
   calculateStripeAmount,
@@ -131,8 +133,8 @@ export function usePayment() {
 
         // Handle Stripe payment
         if (isStripe && response.data?.pay_link) {
-          window.open(response.data.pay_link as string, '_blank')
           toast.success(i18next.t('Redirecting to payment page...'))
+          redirectToStripeCheckout(response.data.pay_link as string)
           return true
         }
 
diff --git a/web/src/lib/stripe-checkout.ts b/web/src/lib/stripe-checkout.ts
new file mode 100644
index 000000000000..8afc142673bf
--- /dev/null
+++ b/web/src/lib/stripe-checkout.ts
@@ -0,0 +1,26 @@
+/*
+Copyright (C) 2023-2026 QuantumNous
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+For commercial licensing, please contact support@quantumnous.com
+*/
+/**
+ * Continue an asynchronously-created Stripe Checkout in the active tab.
+ * Browsers can block a new tab once the initiating user gesture has crossed
+ * an await boundary.
+ */
+export function redirectToStripeCheckout(checkoutUrl: string): void {
+  window.location.href = checkoutUrl
+}