diff --git a/lnbits/wallets/phoenixd.py b/lnbits/wallets/phoenixd.py
index ca2673c5b..6a5f49ed9 100644
--- a/lnbits/wallets/phoenixd.py
+++ b/lnbits/wallets/phoenixd.py
@@ -3,7 +3,7 @@ import base64
 import hashlib
 import json
 import urllib.parse
-from typing import AsyncGenerator, Dict, Optional
+from typing import Any, AsyncGenerator, Dict, Optional
 
 import httpx
 from loguru import logger
@@ -100,7 +100,7 @@ class PhoenixdWallet(Wallet):
 
         try:
             msats_amount = amount
-            data: Dict = {
+            data: Dict[str, Any] = {
                 "amountSat": f"{msats_amount}",
                 "externalId": "",
             }
@@ -119,6 +119,9 @@ class PhoenixdWallet(Wallet):
                 else:
                     data["description"] = desc
 
+            # if expiry is not set, it defaults to 3600 seconds (1 hour)
+            data["expirySeconds"] = int(kwargs.get("expiry", 3600))
+
             r = await self.client.post(
                 "/createinvoice",
                 data=data,