diff --git a/src/cpp/ripple/NetworkOPs.cpp b/src/cpp/ripple/NetworkOPs.cpp
index b589567df..d093891a0 100644
--- a/src/cpp/ripple/NetworkOPs.cpp
+++ b/src/cpp/ripple/NetworkOPs.cpp
@@ -165,7 +165,7 @@ void NetworkOPs::submitTransaction(Job&, SerializedTransaction::pointer iTrans,
 
 // Sterilize transaction through serialization.
 // This is fully synchronous and deprecated
-Transaction::pointer NetworkOPs::submitTransactionSync(const Transaction::pointer& tpTrans)
+Transaction::pointer NetworkOPs::submitTransactionSync(const Transaction::pointer& tpTrans, bool bSubmit)
 {
 	Serializer s;
 	tpTrans->getSTransaction()->add(s);
@@ -179,7 +179,8 @@ Transaction::pointer NetworkOPs::submitTransactionSync(const Transaction::pointe
 	}
 	else if (tpTransNew->getSTransaction()->isEquivalent(*tpTrans->getSTransaction()))
 	{
-		(void) NetworkOPs::processTransaction(tpTransNew);
+		if (bSubmit)
+			(void) NetworkOPs::processTransaction(tpTransNew);
 	}
 	else
 	{
diff --git a/src/cpp/ripple/NetworkOPs.h b/src/cpp/ripple/NetworkOPs.h
index 66d757ffa..3101880dd 100644
--- a/src/cpp/ripple/NetworkOPs.h
+++ b/src/cpp/ripple/NetworkOPs.h
@@ -160,7 +160,7 @@ public:
 	//
 	typedef boost::function<void (Transaction::pointer, TER)> stCallback; // must complete immediately
 	void submitTransaction(Job&, SerializedTransaction::pointer, stCallback callback = stCallback());
-	Transaction::pointer submitTransactionSync(const Transaction::pointer& tpTrans);
+	Transaction::pointer submitTransactionSync(const Transaction::pointer& tpTrans, bool bSubmit=true);
 
 	void runTransactionQueue();
 	Transaction::pointer processTransaction(Transaction::pointer, stCallback);