diff --git a/src/TransactionEngine.cpp b/src/TransactionEngine.cpp
index efe56ac8c5..1bbe02063e 100644
--- a/src/TransactionEngine.cpp
+++ b/src/TransactionEngine.cpp
@@ -1,13 +1,19 @@
+
 #include "TransactionEngine.h"
 
+#include <boost/format.hpp>
+
+#include "../json/writer.h"
+
 #include "Config.h"
 #include "TransactionFormats.h"
 #include "utils.h"
-
-#include <boost/format.hpp>
+#include "Log.h"
 
 typedef SerializedLedgerEntry SLE;
 
+
+
 #define DIR_NODE_MAX	32
 
 // We return the uNodeDir so that on delete we can quickly know where the element is mentioned in the directory.
@@ -229,6 +235,24 @@ TransactionEngineResult TransactionEngine::applyTransaction(const SerializedTran
 {
 	std::cerr << "applyTransaction>" << std::endl;
 
+#ifdef DEBUG
+	if (0)
+	{
+		Serializer ser;
+		txn.add(ser);
+		SerializerIterator sit(ser);
+		SerializedTransaction s2(sit, -1);
+		if (!s2.isEquivalent(txn))
+		{
+			std::cerr << "Transaction serdes mismatch" << std::endl;
+			Json::StyledStreamWriter ssw;
+			ssw.write(Log(lsINFO).ref(), txn.getJson(0));
+			ssw.write(Log(lsFATAL).ref(), s2.getJson(0));
+			assert(false);
+		}
+	}
+#endif
+
 	TransactionEngineResult result = terSUCCESS;
 
 	uint256 txID = txn.getTransactionID();