diff --git a/src/LedgerHistory.cpp b/src/LedgerHistory.cpp
index 8f9b1bec9e..79ff9ac615 100644
--- a/src/LedgerHistory.cpp
+++ b/src/LedgerHistory.cpp
@@ -32,7 +32,9 @@ void LedgerHistory::addAcceptedLedger(Ledger::pointer ledger)
 	uint256 h(ledger->getHash());
 	boost::recursive_mutex::scoped_lock sl(mLedgersByHash.peekMutex());
 	mLedgersByHash.canonicalize(h, ledger);
-	assert(ledger && ledger->isAccepted() && ledger->isImmutable());
+	assert(ledger);
+	assert(ledger->isAccepted());
+	assert(ledger->isImmutable());
 	mLedgersByIndex.insert(std::make_pair(ledger->getLedgerSeq(), ledger));
 	boost::thread thread(boost::bind(&Ledger::saveAcceptedLedger, ledger));
 	thread.detach();
diff --git a/src/LedgerMaster.cpp b/src/LedgerMaster.cpp
index f5bb19646a..7350b85349 100644
--- a/src/LedgerMaster.cpp
+++ b/src/LedgerMaster.cpp
@@ -42,6 +42,8 @@ void LedgerMaster::pushLedger(Ledger::pointer newLCL, Ledger::pointer newOL)
 
 	if (newLCL->isAccepted())
 	{
+		assert(newLCL->isClosed());
+		assert(newLCL->isImmutable());
 		mLedgerHistory.addAcceptedLedger(newLCL);
 		Log(lsINFO) << "StashAccepted: " << newLCL->getHash().GetHex();
 	}