diff --git a/lib/perfdata/perfdatawriterconnection.cpp b/lib/perfdata/perfdatawriterconnection.cpp
index f8807c9ce03..46000c28f47 100644
--- a/lib/perfdata/perfdatawriterconnection.cpp
+++ b/lib/perfdata/perfdatawriterconnection.cpp
@@ -99,7 +99,7 @@ AsioTlsOrTcpStream PerfdataWriterConnection::MakeStream() const
 {
 	AsioTlsOrTcpStream ret;
 	if (m_SslContext) {
-		ret = Shared<AsioTlsStream>::Make(IoEngine::Get().GetIoContext(), *m_SslContext);
+		ret = Shared<AsioTlsStream>::Make(IoEngine::Get().GetIoContext(), *m_SslContext, m_Host);
 	} else {
 		ret = Shared<AsioTcpStream>::Make(IoEngine::Get().GetIoContext());
 	}
diff --git a/test/perfdata-perfdatatargetfixture.hpp b/test/perfdata-perfdatatargetfixture.hpp
index 871610ff585..bac1c504de9 100644
--- a/test/perfdata-perfdatatargetfixture.hpp
+++ b/test/perfdata-perfdatatargetfixture.hpp
@@ -39,16 +39,24 @@ class PerfdataWriterTargetFixture
 	explicit PerfdataWriterTargetFixture(AsioTlsOrTcpStream stream)
 		: m_Stream(std::move(stream)),
 		  m_Acceptor(
-			  IoEngine::Get().GetIoContext(),
-			  boost::asio::ip::tcp::endpoint{boost::asio::ip::address_v4::loopback(), 0}
+			  IoEngine::Get().GetIoContext()
 		  )
 	{
+		boost::asio::ip::tcp::endpoint ep{boost::asio::ip::address_v4::loopback(), 0};
+		m_Acceptor.open(ep.protocol());
+		m_Acceptor.bind(ep);
 	}
 
 	unsigned short GetPort() { return m_Acceptor.local_endpoint().port(); }
 
+	void Listen()
+	{
+		m_Acceptor.listen();
+	}
+
 	void Accept()
 	{
+		Listen();
 		BOOST_REQUIRE_NO_THROW(
 			std::visit([&](auto& stream) { return m_Acceptor.accept(stream->lowest_layer()); }, m_Stream)
 		);
@@ -82,7 +90,7 @@ class PerfdataWriterTargetFixture
 	void ResetStream()
 	{
 		if (std::holds_alternative<Shared<AsioTlsStream>::Ptr>(m_Stream)) {
-			m_Stream = Shared<AsioTlsStream>::Make(IoEngine::Get().GetIoContext(), *m_SslContext);
+			m_Stream = Shared<AsioTlsStream>::Make(IoEngine::Get().GetIoContext(), *m_SslContext, "localhost");
 		} else {
 			m_Stream = Shared<AsioTcpStream>::Make(IoEngine::Get().GetIoContext());
 		}
diff --git a/test/perfdata-perfdatawriterconnection.cpp b/test/perfdata-perfdatawriterconnection.cpp
index 21a9f7aed5e..16ed299a947 100644
--- a/test/perfdata-perfdatawriterconnection.cpp
+++ b/test/perfdata-perfdatawriterconnection.cpp
@@ -17,7 +17,7 @@ class TlsPerfdataWriterFixture : public CertificateFixture, public PerfdataWrite
 	{
 		m_PdwSslContext = MakeContext("client");
 
-		m_Conn = new PerfdataWriterConnection{"Test", "test", "127.0.0.1", std::to_string(GetPort()), m_PdwSslContext};
+		m_Conn = new PerfdataWriterConnection{"Test", "test", "localhost", std::to_string(GetPort()), m_PdwSslContext};
 	}
 
 	auto& GetConnection() { return *m_Conn; }
@@ -130,10 +130,9 @@ BOOST_AUTO_TEST_CASE(finish_during_timeout)
  */
 BOOST_AUTO_TEST_CASE(stuck_in_handshake)
 {
-	TestThread mockTargetThread{[&]() { Accept(); }};
-
 	std::promise<void> p;
 	TestThread timeoutThread{[&]() {
+		Accept();
 		auto f = p.get_future();
 		GetConnection().CancelAfterTimeout(f, 50ms);
 		BOOST_REQUIRE(f.wait_for(0ms) == std::future_status::timeout);
@@ -144,7 +143,6 @@ BOOST_AUTO_TEST_CASE(stuck_in_handshake)
 	);
 
 	REQUIRE_JOINS_WITHIN(timeoutThread, 1s);
-	REQUIRE_JOINS_WITHIN(mockTargetThread, 1s);
 }
 
 /* When the disconnect timeout runs out while sending something to a slow or blocking server, we
diff --git a/test/remote-certificate-fixture.cpp b/test/remote-certificate-fixture.cpp
index 0d5a60d99e4..7e02edb85d0 100644
--- a/test/remote-certificate-fixture.cpp
+++ b/test/remote-certificate-fixture.cpp
@@ -95,19 +95,19 @@ void RequiresCertificate::AddCaFixture(const String& caFixtureName)
 	m_CaFixtures.emplace_back(caFixtureName);
 }
 
-void RequiresCertificate::AddCertFixture(const String& cn, const String& caFixture, const String& certFixture)
+void RequiresCertificate::AddCertFixture(const String& name, const String& caFixture, const String& certFixture)
 {
 	auto& mts = boost::unit_test::framework::master_test_suite();
 	boost::unit_test::decorator::base_ptr certLabel{new boost::unit_test::label{"cert"}};
 
 	auto* setup = boost::unit_test::make_test_case(
-		[cn]() {
+		[name]() {
 			CertificateFixture certFixture;
 			auto persistentCertsPath = CertificateFixture::m_PersistentCertsDir / "certs";
-			auto keyFile = persistentCertsPath / (cn.GetData() + ".key");
-			auto csrFile = persistentCertsPath / (cn.GetData() + ".csr");
-			auto crtFile = persistentCertsPath / (cn.GetData() + ".crt");
-			PkiUtility::NewCert(cn, keyFile.string(), csrFile.string(), "");
+			auto keyFile = persistentCertsPath / (name.GetData() + ".key");
+			auto csrFile = persistentCertsPath / (name.GetData() + ".csr");
+			auto crtFile = persistentCertsPath / (name.GetData() + ".crt");
+			PkiUtility::NewCert("localhost", keyFile.string(), csrFile.string(), "");
 			PkiUtility::SignCsr(csrFile.string(), crtFile.string());
 		},
 		certFixture.GetData() + "_setup",
diff --git a/test/remote-certificate-fixture.hpp b/test/remote-certificate-fixture.hpp
index f09a9b5c7c6..4f854c899f7 100644
--- a/test/remote-certificate-fixture.hpp
+++ b/test/remote-certificate-fixture.hpp
@@ -95,7 +95,7 @@ class RequiresCertificate : public CTestPropertiesBase
 	static inline std::vector<String> m_CaFixtures;
 
 	static void AddCaFixture(const String& caFixtureName);
-	static void AddCertFixture(const String& cn, const String& caFixture, const String& certFixture);
+	static void AddCertFixture(const String& name, const String& caFixture, const String& certFixture);
 };
 
 } // namespace icinga