diff --git a/side-node/src/utils.rs b/side-node/src/utils.rs
index 14599e3..40bac26 100644
--- a/side-node/src/utils.rs
+++ b/side-node/src/utils.rs
@@ -57,8 +57,8 @@ pub fn fake_bitcoin_transaction(key_pair: Keypair) -> bitcoin::Transaction {
     let tx = bitcoin::Transaction {
         version: Version(1),
         lock_time,
-        input,
-        output,
+        input: vec![input],
+        output: vec![output],
     };
     tx
 }