diff --git a/index.js b/index.js
index a3ee703..fc83107 100644
--- a/index.js
+++ b/index.js
@@ -42,16 +42,24 @@ function startPingInterval () {
 }
 
 function waitForInvoicePaid (room, nick, invoice, retries=0) {
+  let timeout = 3000;
+
   if (retries >= 300) {
     console.log(`Invoice not paid after 15 minutes: ${invoice.payment_hash}`);
-    return false;
+    let timeout = 5000;
+    if (retries >= 500) {
+      // TODO ask user to request voice again to create a new invoice
+      return false;
+    }
   }
+
   lndhub.getInvoice(invoice.payment_hash).then(async data => {
     if (data.is_paid) {
       console.log(`Invoice paid: ${invoice.payment_hash}`);
       await grantVoice(room, nick);
     } else {
       setTimeout(waitForInvoicePaid, 3000, room, nick, invoice, retries++);
+      setTimeout(waitForInvoicePaid, timeout, room, nick, invoice, retries++);
     }
   });
 }