diff --git a/app/controllers/lnurlpay_controller.rb b/app/controllers/lnurlpay_controller.rb
index fa9f946..2b999ac 100644
--- a/app/controllers/lnurlpay_controller.rb
+++ b/app/controllers/lnurlpay_controller.rb
@@ -6,8 +6,8 @@ class LnurlpayController < ApplicationController
       status: "OK",
       callback: "https://accounts.kosmos.org/lnurlpay/#{@user.address}/invoice",
       tag: "payRequest",
-      maxSendable: 1000000,
-      minSendable: 1000,
+      maxSendable: 1000000 * 1000, # msat
+      minSendable: 1000 * 1000, # msat
       metadata: metadata(@user.address),
       commentAllowed: 0
     }