diff --git a/apps/pay/src/receipt.ts b/apps/pay/src/receipt.ts
index ee1defe..d9330a7 100644
--- a/apps/pay/src/receipt.ts
+++ b/apps/pay/src/receipt.ts
@@ -40,6 +40,7 @@ export async function generateReceipt(paymentId: number): Promise<string> {
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>PingQL Receipt #${payment.id}</title>
+  <link rel="icon" href="/favicon.svg" type="image/svg+xml">
   <style>
     * { margin: 0; padding: 0; box-sizing: border-box; }
     body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; color: #1a1a1a; max-width: 640px; margin: 0 auto; padding: 40px 24px; }