diff --git a/src/cpp/ripple/LedgerAcquire.cpp b/src/cpp/ripple/LedgerAcquire.cpp
index e345dc18ca..cf80364607 100644
--- a/src/cpp/ripple/LedgerAcquire.cpp
+++ b/src/cpp/ripple/LedgerAcquire.cpp
@@ -98,7 +98,7 @@ bool PeerSet::isActive()
 
 LedgerAcquire::LedgerAcquire(const uint256& hash) : PeerSet(hash, LEDGER_ACQUIRE_TIMEOUT),
 	mHaveBase(false), mHaveState(false), mHaveTransactions(false), mAborted(false), mSignaled(false), mAccept(false),
-	mByHash(true)
+	mByHash(true), mWaitCount(0)
 {
 #ifdef LA_DEBUG
 	cLog(lsTRACE) << "Acquiring ledger " << mHash;
@@ -214,6 +214,18 @@ void LedgerAcquire::onTimer(bool progress)
 	}
 }
 
+void LedgerAcquire::awaitData()
+{
+	boost::recursive_mutex::scoped_lock sl(mLock);
+	++mWaitCount;
+}
+
+void LedgerAcquire::noAwaitData()
+{
+	boost::recursive_mutex::scoped_lock sl(mLock);
+	if (mWaitCount > 0 ) --mWaitCount;
+}
+
 void LedgerAcquire::addPeers()
 {
 	std::vector<Peer::pointer> peerList = theApp->getConnectionPool().getPeerVector();
@@ -300,6 +312,13 @@ void LedgerAcquire::trigger(Peer::ref peer)
 		return;
 	}
 
+	if ((mWaitCount > 0) && peer)
+	{
+		mRecentPeers.push_back(peer->getPeerId());
+		cLog(lsTRACE) << "Deferring peer";
+		return;
+	}
+
 	if (sLog(lsTRACE))
 	{
 		if (peer)
@@ -484,6 +503,8 @@ void LedgerAcquire::trigger(Peer::ref peer)
 		}
 	}
 
+	mRecentPeers.clear();
+
 	if (mComplete || mFailed)
 	{
 		cLog(lsDEBUG) << "Done:" << (mComplete ? " complete" : "") << (mFailed ? " failed " : " ")
@@ -846,21 +867,23 @@ void LedgerAcquireMaster::dropLedger(const uint256& hash)
 	mLedgers.erase(hash);
 }
 
-void LedgerAcquireMaster::gotLedgerData(Job&, boost::shared_ptr<ripple::TMLedgerData> packet_ptr,
-	boost::weak_ptr<Peer> wPeer)
+bool LedgerAcquireMaster::awaitLedgerData(const uint256& ledgerHash)
+{
+	LedgerAcquire::pointer ledger = find(ledgerHash);
+	if (!ledger)
+		return false;
+	ledger->awaitData();
+	return true;
+}
+
+void LedgerAcquireMaster::gotLedgerData(Job&, uint256 hash,
+	boost::shared_ptr<ripple::TMLedgerData> packet_ptr,	boost::weak_ptr<Peer> wPeer)
 {
 	ripple::TMLedgerData& packet = *packet_ptr;
 	Peer::pointer peer = wPeer.lock();
 	if (!peer)
 		return;
 
-	uint256 hash;
-	if (packet.ledgerhash().size() != 32)
-	{
-		peer->punishPeer(LT_InvalidRequest);
-		return;
-	}
-	memcpy(hash.begin(), packet.ledgerhash().data(), 32);
 	cLog(lsTRACE) << "Got data (" << packet.nodes().size() << ") for acquiring ledger: " << hash;
 
 	LedgerAcquire::pointer ledger = find(hash);
@@ -870,6 +893,7 @@ void LedgerAcquireMaster::gotLedgerData(Job&, boost::shared_ptr<ripple::TMLedger
 		peer->punishPeer(LT_InvalidRequest);
 		return;
 	}
+	ledger->noAwaitData();
 
 	if (packet.type() == ripple::liBASE)
 	{
diff --git a/src/cpp/ripple/LedgerAcquire.h b/src/cpp/ripple/LedgerAcquire.h
index c255ef6b7e..4193ce96e1 100644
--- a/src/cpp/ripple/LedgerAcquire.h
+++ b/src/cpp/ripple/LedgerAcquire.h
@@ -87,11 +87,14 @@ public:
 protected:
 	Ledger::pointer mLedger;
 	bool mHaveBase, mHaveState, mHaveTransactions, mAborted, mSignaled, mAccept, mByHash;
+	int mWaitCount;
 
 	std::set<SHAMapNode>	mRecentTXNodes;
 	std::set<SHAMapNode>	mRecentASNodes;
 
-	std::vector< FUNCTION_TYPE<void (LedgerAcquire::pointer)> > mOnComplete;
+	std::vector<uint64>		mRecentPeers;
+
+	std::vector< FUNCTION_TYPE<void (LedgerAcquire::pointer)> >	mOnComplete;
 
 	void done();
 	void onTimer(bool progress);
@@ -124,6 +127,8 @@ public:
 	void trigger(Peer::ref);
 	bool tryLocal();
 	void addPeers();
+	void awaitData();
+	void noAwaitData();
 
 	typedef std::pair<ripple::TMGetObjectByHash::ObjectType, uint256> neededHash_t;
 	std::vector<neededHash_t> getNeededHashes();
@@ -148,7 +153,9 @@ public:
 	LedgerAcquire::pointer find(const uint256& hash);
 	bool hasLedger(const uint256& ledgerHash);
 	void dropLedger(const uint256& ledgerHash);
-	void gotLedgerData(Job&, boost::shared_ptr<ripple::TMLedgerData> packet, boost::weak_ptr<Peer> peer);
+
+	bool awaitLedgerData(const uint256& ledgerHash);
+	void gotLedgerData(Job&, uint256 hash, boost::shared_ptr<ripple::TMLedgerData> packet, boost::weak_ptr<Peer> peer);
 
 	int getFetchCount(int& timeoutCount);
 	void logFailure(const uint256& h)	{ mRecentFailures.add(h); }
diff --git a/src/cpp/ripple/Peer.cpp b/src/cpp/ripple/Peer.cpp
index 4a87a4dc4d..55bb4f4e09 100644
--- a/src/cpp/ripple/Peer.cpp
+++ b/src/cpp/ripple/Peer.cpp
@@ -1659,18 +1659,17 @@ void Peer::recvLedger(const boost::shared_ptr<ripple::TMLedgerData>& packet_ptr)
 		return;
 	}
 
+	uint256 hash;
+	if(packet.ledgerhash().size() != 32)
+	{
+		cLog(lsWARNING) << "TX candidate reply with invalid hash size";
+		punishPeer(LT_InvalidRequest);
+		return;
+	}
+	memcpy(hash.begin(), packet.ledgerhash().data(), 32);
+
 	if (packet.type() == ripple::liTS_CANDIDATE)
 	{ // got data for a candidate transaction set
-		uint256 hash;
-		if(packet.ledgerhash().size() != 32)
-		{
-			cLog(lsWARNING) << "TX candidate reply with invalid hash size";
-			punishPeer(LT_InvalidRequest);
-			return;
-		}
-		memcpy(hash.begin(), packet.ledgerhash().data(), 32);
-
-
 		std::list<SHAMapNode> nodeIDs;
 		std::list< std::vector<unsigned char> > nodeData;
 
@@ -1692,9 +1691,12 @@ void Peer::recvLedger(const boost::shared_ptr<ripple::TMLedgerData>& packet_ptr)
 		return;
 	}
 
-	theApp->getJobQueue().addJob(jtLEDGER_DATA, "gotLedgerData",
-		BIND_TYPE(&LedgerAcquireMaster::gotLedgerData, &theApp->getMasterLedgerAcquire(),
-			P_1, packet_ptr, boost::weak_ptr<Peer>(shared_from_this())));
+	if (theApp->getMasterLedgerAcquire().awaitLedgerData(hash))
+		theApp->getJobQueue().addJob(jtLEDGER_DATA, "gotLedgerData",
+			BIND_TYPE(&LedgerAcquireMaster::gotLedgerData, &theApp->getMasterLedgerAcquire(),
+				P_1, hash, packet_ptr, boost::weak_ptr<Peer>(shared_from_this())));
+	else
+		punishPeer(LT_UnwantedData);
 }
 
 bool Peer::hasLedger(const uint256& hash) const