diff --git a/src/Config.h b/src/Config.h
index 1fe5ca57a..40e4da145 100644
--- a/src/Config.h
+++ b/src/Config.h
@@ -3,8 +3,10 @@
 
 #include <string>
 
-#define SYSTEM_NAME	"newcoin"
+#define SYSTEM_NAME		"newcoin"
+#define VALIDATORS_SITE		"redstem.com"
 
+#define VALIDATORS_FILE_NAME	"validators.txt"
 const int SYSTEM_PEER_PORT=6561;
 
 // Allow anonymous DH.
diff --git a/src/RPCServer.cpp b/src/RPCServer.cpp
index f72e25671..e444a23c3 100644
--- a/src/RPCServer.cpp
+++ b/src/RPCServer.cpp
@@ -22,10 +22,8 @@
 #include "AccountState.h"
 
 #define VALIDATORS_FETCH_SECONDS	30
-#define VALIDATORS_FILE_NAME		"validators.txt"
 #define VALIDATORS_FILE_PATH		"/" VALIDATORS_FILE_NAME
 #define VALIDATORS_FILE_BYTES_MAX	(50 << 10)
-#define VALIDATORS_SITE				"redstem.com"
 
 /*
 Just read from wire until the entire request is in.
@@ -609,7 +607,7 @@ void RPCServer::validatorsResponse(const boost::system::error_code& err, std::st
 {
 	std::cerr << "Fetch '" VALIDATORS_FILE_NAME "' complete." << std::endl;
 
-	if(!err)
+	if (!err)
 	{
 		theApp->getUNL().nodeDefault(strResponse);
 	}
diff --git a/src/UniqueNodeList.cpp b/src/UniqueNodeList.cpp
index a6e1a2274..1d49924b7 100644
--- a/src/UniqueNodeList.cpp
+++ b/src/UniqueNodeList.cpp
@@ -1020,9 +1020,14 @@ int UniqueNodeList::iSourceScore(validatorSource vsWhy)
 // Queue a domain for a single attempt fetch a newcoin.txt.
 // --> strComment: only used on vsManual
 // YYY As a lot of these may happen at once, would be nice to wrap multiple calls in a transaction.
-void UniqueNodeList::nodeAddDomain(std::string strDomain, validatorSource vsWhy, std::string strComment)
+void UniqueNodeList::nodeAddDomain(const std::string& strDomain, validatorSource vsWhy, std::string strComment)
 {
 	// YYY Would be best to verify strDomain is a valid domain.
+	// std::cerr << str(boost::format("nodeAddDomain: '%s' %c '%s'")
+	//	% strDomain
+	//	% vsWhy
+	//	% strComment) << std::endl;
+
 	seedDomain	sdCurrent;
 
 	bool		bFound		= getSeedDomains(strDomain, sdCurrent);
@@ -1211,6 +1216,10 @@ void UniqueNodeList::nodeDefault(std::string strValidators) {
 			nodeAddDomain(strValidator, vsValidator);
 		}
 	}
+	else
+	{
+		std::cerr << "WARNING: '" VALIDATORS_FILE_NAME "' missing [" SECTION_VALIDATORS "]." << std::endl;
+	}
 }
 
 // vim:ts=4
diff --git a/src/UniqueNodeList.h b/src/UniqueNodeList.h
index 83ea26ebc..c979871de 100644
--- a/src/UniqueNodeList.h
+++ b/src/UniqueNodeList.h
@@ -116,7 +116,7 @@ public:
 	void start();
 
 	void nodeAddPublic(NewcoinAddress naNodePublic, std::string strComment);
-	void nodeAddDomain(std::string strDomain, validatorSource vsWhy, std::string strComment="");
+	void nodeAddDomain(const std::string& strDomain, validatorSource vsWhy, std::string strComment="");
 	void nodeRemove(NewcoinAddress naNodePublic);
 	void nodeDefault(std::string strValidators);
 	void nodeReset();