diff --git a/alethzero/MainWin.h b/alethzero/MainWin.h
index 4e438b1f6..d9deab8e4 100644
--- a/alethzero/MainWin.h
+++ b/alethzero/MainWin.h
@@ -75,7 +75,7 @@ public:
 
 	dev::WebThreeDirect* web3() const { return m_webThree.get(); }
 	dev::eth::Client* ethereum() const { return m_webThree->ethereum(); }
-	dev::shh::WhisperHost* whisper() const { return m_webThree->whisper(); }
+	std::shared_ptr<dev::shh::WhisperHost> whisper() const { return m_webThree->whisper(); }
 
 	QList<dev::KeyPair> const& owned() const { return m_myKeys; }
 	
diff --git a/libwebthree/WebThree.cpp b/libwebthree/WebThree.cpp
index 55e82a36f..46725de1a 100644
--- a/libwebthree/WebThree.cpp
+++ b/libwebthree/WebThree.cpp
@@ -28,7 +28,7 @@
 #include <libp2p/Host.h>
 #include <libethereum/Defaults.h>
 #include <libethereum/EthereumHost.h>
-#include <libwhisper/WhisperPeer.h>
+#include <libwhisper/WhisperHost.h>
 using namespace std;
 using namespace dev;
 using namespace dev::p2p;
@@ -45,8 +45,8 @@ WebThreeDirect::WebThreeDirect(std::string const& _clientVersion, std::string co
 	if (_interfaces.count("eth"))
 		m_ethereum.reset(new eth::Client(&m_net, _dbPath, _forceClean));
 
-//	if (_interfaces.count("shh"))
-//		m_whisper = new eth::Whisper(m_net.get());
+	if (_interfaces.count("shh"))
+		m_whisper = m_net.registerCapability<WhisperHost>(new WhisperHost);
 }
 
 WebThreeDirect::~WebThreeDirect()
diff --git a/libwebthree/WebThree.h b/libwebthree/WebThree.h
index 20789517d..3093c8106 100644
--- a/libwebthree/WebThree.h
+++ b/libwebthree/WebThree.h
@@ -74,7 +74,7 @@ public:
 	// The mainline interfaces:
 
 	eth::Client* ethereum() const { if (!m_ethereum) throw InterfaceNotSupported("eth"); return m_ethereum.get(); }
-	shh::WhisperHost* whisper() const { if (!m_whisper) throw InterfaceNotSupported("shh"); return m_whisper.get(); }
+	std::shared_ptr<shh::WhisperHost> whisper() const { auto w = m_whisper.lock(); if (!w) throw InterfaceNotSupported("shh"); return w; }
 	bzz::Interface* swarm() const { throw InterfaceNotSupported("bzz"); }
 
 	// Misc stuff:
@@ -118,7 +118,7 @@ private:
 	std::string m_clientVersion;					///< Our end-application client's name/version.
 
 	std::unique_ptr<eth::Client> m_ethereum;		///< Main interface for Ethereum ("eth") protocol.
-	std::unique_ptr<shh::WhisperHost> m_whisper;	///< Main interface for Whisper ("shh") protocol.
+	std::weak_ptr<shh::WhisperHost> m_whisper;	///< Main interface for Whisper ("shh") protocol.
 
 	p2p::Host m_net;								///< Should run in background and send us events when blocks found and allow us to send blocks as required.
 };