diff --git a/flopay/index.html b/flopay/index.html
index ae87383..c91a408 100644
--- a/flopay/index.html
+++ b/flopay/index.html
@@ -40,6 +40,7 @@
     <script src="scripts/floExchangeAPI.js" defer></script>
     <script src="scripts/btcOperator.js" defer></script>
     <script src="scripts/qrcode.min.js" defer></script>
+    <script src="scripts/keccak.js" defer></script>
     <script src="scripts/floEthereum.js" defer></script>
     <script src="scripts/ether.umd.min.js" defer></script>
     <script src="scripts/ethOperator.js" defer></script>