diff --git a/core/src/test/java/com/google/bitcoin/core/TestUtils.java b/core/src/test/java/com/google/bitcoin/core/TestUtils.java
index ebedec6d4..0bd35edc0 100644
--- a/core/src/test/java/com/google/bitcoin/core/TestUtils.java
+++ b/core/src/test/java/com/google/bitcoin/core/TestUtils.java
@@ -98,7 +98,7 @@ public class TestUtils {
     /**
      * Roundtrip a transaction so that it appears as if it has just come from the wire
      */
-    private static Transaction roundTripTransaction(NetworkParameters params, Transaction tx) throws IOException, ProtocolException {
+    public static Transaction roundTripTransaction(NetworkParameters params, Transaction tx) throws IOException, ProtocolException {
         BitcoinSerializer bs = new BitcoinSerializer(params, true);
         ByteArrayOutputStream bos = new ByteArrayOutputStream();
         bs.serialize(tx, bos);