diff --git a/Net/testsuite/src/HTTPStreamFactoryTest.cpp b/Net/testsuite/src/HTTPStreamFactoryTest.cpp
index 9c513e87f..4ef7cec5c 100644
--- a/Net/testsuite/src/HTTPStreamFactoryTest.cpp
+++ b/Net/testsuite/src/HTTPStreamFactoryTest.cpp
@@ -44,7 +44,7 @@ void HTTPStreamFactoryTest::testNoRedirect()
 {
 	HTTPTestServer server;
 	HTTPStreamFactory factory;
-	URI uri("http://localhost/large");
+	URI uri("http://127.0.0.1/large");
 	uri.setPort(server.port());
 	std::auto_ptr<std::istream> pStr(factory.open(uri));
 	std::ostringstream ostr;
@@ -57,7 +57,7 @@ void HTTPStreamFactoryTest::testEmptyPath()
 {
 	HTTPTestServer server;
 	HTTPStreamFactory factory;
-	URI uri("http://localhost");
+	URI uri("http://127.0.0.1");
 	uri.setPort(server.port());
 	std::auto_ptr<std::istream> pStr(factory.open(uri));
 	std::ostringstream ostr;
@@ -71,7 +71,7 @@ void HTTPStreamFactoryTest::testRedirect()
 	HTTPTestServer server;
 	Poco::URIStreamOpener opener;
 	opener.registerStreamFactory("http", new HTTPStreamFactory);
-	URI uri("http://localhost/redirect");
+	URI uri("http://127.0.0.1/redirect");
 	uri.setPort(server.port());
 	std::auto_ptr<std::istream> pStr(opener.open(uri));
 	std::ostringstream ostr;
@@ -83,7 +83,7 @@ void HTTPStreamFactoryTest::testRedirect()
 void HTTPStreamFactoryTest::testProxy()
 {
 	HTTPTestServer server;
-	HTTPStreamFactory factory("localhost", server.port());
+	HTTPStreamFactory factory("127.0.0.1", server.port());
 	URI uri("http://www.somehost.com/large");
 	std::auto_ptr<std::istream> pStr(factory.open(uri));
 	std::ostringstream ostr;
@@ -96,7 +96,7 @@ void HTTPStreamFactoryTest::testError()
 {
 	HTTPTestServer server;
 	HTTPStreamFactory factory;
-	URI uri("http://localhost/notfound");
+	URI uri("http://127.0.0.1/notfound");
 	uri.setPort(server.port());
 	try
 	{
diff --git a/Net/testsuite/src/SocketAddressTest.cpp b/Net/testsuite/src/SocketAddressTest.cpp
index df51a909a..5d52d6aa9 100644
--- a/Net/testsuite/src/SocketAddressTest.cpp
+++ b/Net/testsuite/src/SocketAddressTest.cpp
@@ -130,7 +130,7 @@ void SocketAddressTest::testSocketAddress()
 	try
 	{
 		SocketAddress sa12(SocketAddress::IPv6, "www6.pocoproject.org", 80);
-		assert (sa12.host().toString() == "[2001:4801:7819:74:be76:4eff:fe10:6b73]");
+		assert (sa12.host().toString() == "2001:4801:7819:74:be76:4eff:fe10:6b73");
 	}
 	catch (AddressFamilyMismatchException&)
 	{
diff --git a/Net/testsuite/src/SyslogTest.cpp b/Net/testsuite/src/SyslogTest.cpp
index 51e7b05d7..7edf023d3 100644
--- a/Net/testsuite/src/SyslogTest.cpp
+++ b/Net/testsuite/src/SyslogTest.cpp
@@ -125,7 +125,7 @@ SyslogTest::~SyslogTest()
 void SyslogTest::testListener()
 {
 	Poco::AutoPtr<RemoteSyslogChannel> channel = new RemoteSyslogChannel();
-	channel->setProperty("loghost", "localhost:51400");
+	channel->setProperty("loghost", "127.0.0.1:51400");
 	channel->open();
 	Poco::AutoPtr<RemoteSyslogListener> listener = new RemoteSyslogListener(51400);
 	listener->open();
@@ -150,7 +150,7 @@ void SyslogTest::testListener()
 void SyslogTest::testChannelOpenClose()
 {
 	Poco::AutoPtr<RemoteSyslogChannel> channel = new RemoteSyslogChannel();
-	channel->setProperty("loghost", "localhost:51400");
+	channel->setProperty("loghost", "127.0.0.1:51400");
 	channel->open();
 	Poco::AutoPtr<RemoteSyslogListener> listener = new RemoteSyslogListener(51400);
 	listener->open();
@@ -189,7 +189,7 @@ void SyslogTest::testChannelOpenClose()
 void SyslogTest::testOldBSD()
 {
 	Poco::AutoPtr<RemoteSyslogChannel> channel = new RemoteSyslogChannel();
-	channel->setProperty("loghost", "localhost:51400");
+	channel->setProperty("loghost", "127.0.0.1:51400");
 	channel->setProperty("format", "bsd");
 	channel->open();
 	Poco::AutoPtr<RemoteSyslogListener> listener = new RemoteSyslogListener(51400);