diff --git a/src/NetworkOPs.cpp b/src/NetworkOPs.cpp
index 22eae18a1a..81f5b0da8b 100644
--- a/src/NetworkOPs.cpp
+++ b/src/NetworkOPs.cpp
@@ -455,16 +455,27 @@ bool NetworkOPs::checkLastClosedLedger(const std::vector<Peer::pointer>& peerLis
 
 	// 3) Is there a network ledger we'd like to switch to? If so, do we have it?
 	bool switchLedgers = false;
-	for(boost::unordered_map<uint256, ValidationCount>::iterator it = ledgers.begin(), end = ledgers.end();
+	std::list<uint256> deadLedgers = theApp->getValidations().getDeadLedgers();
+	for (boost::unordered_map<uint256, ValidationCount>::iterator it = ledgers.begin(), end = ledgers.end();
 		it != end; ++it)
 	{
 		Log(lsTRACE) << "L: " << it->first.GetHex() <<
 			"  t=" << it->second.trustedValidations << 	", n=" << it->second.nodesUsing;
 		if (it->second > bestVC)
 		{
-			bestVC = it->second;
-			closedLedger = it->first;
-			switchLedgers = true;
+			bool dead = false;
+			for (std::list<uint256>::iterator dit = deadLedgers.begin(), end = deadLedgers.end(); dit != end; ++it)
+				if (*dit == it->first)
+				{
+					dead = true;
+					break;
+				}
+			if (!dead)
+			{
+				bestVC = it->second;
+				closedLedger = it->first;
+				switchLedgers = true;
+			}
 		}
 	}
 
@@ -665,6 +676,7 @@ void NetworkOPs::endConsensus(bool correctLCL)
 {
 	uint256 deadLedger = theApp->getMasterLedger().getClosedLedger()->getParentHash();
 	Log(lsTRACE) << "Ledger " << deadLedger.GetHex() << " is now dead";
+	theApp->getValidations().addDeadLedger(deadLedger);
 	std::vector<Peer::pointer> peerList = theApp->getConnectionPool().getPeerVector();
 	for (std::vector<Peer::pointer>::const_iterator it = peerList.begin(), end = peerList.end(); it != end; ++it)
 	if (*it && ((*it)->getClosedLedgerHash() == deadLedger))
diff --git a/src/ValidationCollection.cpp b/src/ValidationCollection.cpp
index 98c70258bc..cd3f981f23 100644
--- a/src/ValidationCollection.cpp
+++ b/src/ValidationCollection.cpp
@@ -172,6 +172,13 @@ boost::unordered_map<uint256, int> ValidationCollection::getCurrentValidations()
 	return ret;
 }
 
+void ValidationCollection::addDeadLedger(const uint256& ledger)
+{
+	mDeadLedgers.push_back(ledger);
+	if (mDeadLedgers.size() >= 128)
+		mDeadLedgers.pop_front();
+}
+
 void ValidationCollection::flush()
 {
 		boost::mutex::scoped_lock sl(mValidationLock);
diff --git a/src/ValidationCollection.h b/src/ValidationCollection.h
index 4120a9e240..5f58956bc6 100644
--- a/src/ValidationCollection.h
+++ b/src/ValidationCollection.h
@@ -25,9 +25,11 @@ class ValidationCollection
 protected:
 
 	boost::mutex mValidationLock;
-	boost::unordered_map<uint256, ValidationSet> mValidations;
-	boost::unordered_map<uint160, ValidationPair> mCurrentValidations;
-	std::vector<SerializedValidation::pointer> mStaleValidations;
+	boost::unordered_map<uint256, ValidationSet> 	mValidations;
+	boost::unordered_map<uint160, ValidationPair> 	mCurrentValidations;
+	std::vector<SerializedValidation::pointer> 		mStaleValidations;
+	std::list<uint256>								mDeadLedgers;
+
 	bool mWriting;
 
 	void doWrite();
@@ -39,9 +41,15 @@ public:
 	bool addValidation(SerializedValidation::pointer);
 	ValidationSet getValidations(const uint256& ledger);
 	void getValidationCount(const uint256& ledger, bool currentOnly, int& trusted, int& untrusted);
+
 	int getTrustedValidationCount(const uint256& ledger);
 	int getCurrentValidationCount(uint32 afterTime);
+
 	boost::unordered_map<uint256, int> getCurrentValidations();
+
+	void addDeadLedger(const uint256&);
+	std::list<uint256> getDeadLedgers() { return mDeadLedgers; }
+
 	void flush();
 };