diff --git a/app/coinjoin/main_function.js b/app/coinjoin/main_function.js
index 8b45a050..70b817ad 100644
--- a/app/coinjoin/main_function.js
+++ b/app/coinjoin/main_function.js
@@ -10,8 +10,8 @@ const explorer = 'https://mempool.space/testnet/tx'
 
 // TODO PTG function
 
-const TX
-const TX
+const TX = bitcoin.tx.
+const TX = bitcoin.tx
 
 /// Alice to Carol
 const keyPairAlice1 = bitcoin.ECPair.fromWIF(alice[1].wif, network)