diff --git a/src/cpp/ripple/Ledger.cpp b/src/cpp/ripple/Ledger.cpp
index 5ea9e318d..1403ea3ae 100644
--- a/src/cpp/ripple/Ledger.cpp
+++ b/src/cpp/ripple/Ledger.cpp
@@ -403,12 +403,12 @@ uint256 Ledger::getHash()
 void Ledger::saveAcceptedLedger(Job&, bool fromConsensus)
 {
 	cLog(lsTRACE) << "saveAcceptedLedger " << (fromConsensus ? "fromConsensus " : "fromAcquire ") << getLedgerSeq();
-	static boost::format ledgerExists("SELECT LedgerSeq FROM Ledgers INDEXED BY SeqLedger where LedgerSeq = %d;");
-	static boost::format deleteLedger("DELETE FROM Ledgers WHERE LedgerSeq = %d;");
+	static boost::format ledgerExists("SELECT LedgerSeq FROM Ledgers INDEXED BY SeqLedger where LedgerSeq = %u;");
+	static boost::format deleteLedger("DELETE FROM Ledgers WHERE LedgerSeq = %u;");
 	static boost::format AcctTransExists("SELECT LedgerSeq FROM AccountTransactions WHERE TransID = '%s';");
 	static boost::format transExists("SELECT Status FROM Transactions WHERE TransID = '%s';");
 	static boost::format
-		updateTx("UPDATE Transactions SET LedgerSeq = %d, Status = '%c', TxnMeta = %s WHERE TransID = '%s';");
+		updateTx("UPDATE Transactions SET LedgerSeq = %u, Status = '%c', TxnMeta = %s WHERE TransID = '%s';");
 	static boost::format addLedger("INSERT OR REPLACE INTO Ledgers "
 		"(LedgerHash,LedgerSeq,PrevHash,TotalCoins,ClosingTime,PrevClosingTime,CloseTimeRes,CloseFlags,"
 		"AccountSetHash,TransSetHash) VALUES ('%s','%u','%s','%s','%u','%u','%d','%u','%s','%s');");
diff --git a/src/cpp/ripple/NetworkOPs.cpp b/src/cpp/ripple/NetworkOPs.cpp
index ec5ab3474..40868a6f3 100644
--- a/src/cpp/ripple/NetworkOPs.cpp
+++ b/src/cpp/ripple/NetworkOPs.cpp
@@ -1065,7 +1065,7 @@ std::vector< std::pair<Transaction::pointer, TransactionMetaSet::pointer> >
 	std::string sql =
 		str(boost::format("SELECT LedgerSeq,Status,RawTxn,TxnMeta FROM Transactions where TransID in "
 			"(SELECT TransID from AccountTransactions  "
-			" WHERE Account = '%s' AND LedgerSeq <= '%d' AND LedgerSeq >= '%d' ) ORDER BY LedgerSeq DESC LIMIT 200;")
+			" WHERE Account = '%s' AND LedgerSeq <= '%u' AND LedgerSeq >= '%u' ) ORDER BY LedgerSeq DESC LIMIT 200;")
 			% account.humanAccountID() % maxLedger	% minLedger);
 
 	{
@@ -1101,7 +1101,7 @@ std::vector<NetworkOPs::txnMetaLedgerType> NetworkOPs::getAccountTxsB(
 
 	std::string sql =
 		str(boost::format("SELECT LedgerSeq, RawTxn,TxnMeta FROM Transactions where TransID in (SELECT TransID from AccountTransactions  "
-			" WHERE Account = '%s' AND LedgerSeq <= '%d' AND LedgerSeq >= '%d' ) ORDER BY LedgerSeq DESC LIMIT 500;")
+			" WHERE Account = '%s' AND LedgerSeq <= '%u' AND LedgerSeq >= '%u' ) ORDER BY LedgerSeq DESC LIMIT 500;")
 			% account.humanAccountID() % maxLedger	% minLedger);
 
 	{
@@ -1145,7 +1145,7 @@ std::vector<RippleAddress>
 {
 	std::vector<RippleAddress> accounts;
 	std::string sql = str(boost::format
-		("SELECT DISTINCT Account FROM AccountTransactions INDEXED BY AcctLgrIndex WHERE LedgerSeq = '%d';")
+		("SELECT DISTINCT Account FROM AccountTransactions INDEXED BY AcctLgrIndex WHERE LedgerSeq = '%u';")
 			 % ledgerSeq);
 	RippleAddress acct;
 	{