diff --git a/wallets/server/protocols/phoenixd.js b/wallets/server/protocols/phoenixd.js
index a56cda3b..1245586d 100644
--- a/wallets/server/protocols/phoenixd.js
+++ b/wallets/server/protocols/phoenixd.js
@@ -20,6 +20,7 @@ export async function createInvoice (
   const body = new URLSearchParams()
   body.append('description', description)
   body.append('amountSat', msatsToSats(msats))
+  body.append('expirySeconds', Math.ceil(expiry / 1000))
 
   const hostname = url.replace(/^https?:\/\//, '').replace(/\/+$/, '')
   const agent = getAgent({ hostname })