diff --git a/src/XMPPConnection.h b/src/XMPPConnection.h
index 7b45fbf..1f3c79e 100644
--- a/src/XMPPConnection.h
+++ b/src/XMPPConnection.h
@@ -157,6 +157,7 @@
 	OFXMLElementBuilder *_elementBuilder, *_oldElementBuilder;
 	OFString *_username, *_password, *_server, *_resource;
 	OFString *_privateKeyFile, *_certificateFile;
+	const char *_privateKeyPassphrase;
 	OFString *_domain, *_domainToASCII;
 	XMPPJID *_JID;
 	uint16_t _port;
diff --git a/src/XMPPConnection.m b/src/XMPPConnection.m
index 936886f..df6d9c4 100644
--- a/src/XMPPConnection.m
+++ b/src/XMPPConnection.m
@@ -893,9 +893,11 @@
 						   connectionWillUpgradeToTLS:)
 				   withObject: self];
 
-		newSock = [[SSLSocket alloc] initWithSocket: _socket
-					     privateKeyFile: _privateKeyFile
-					    certificateFile: _certificateFile];
+		newSock = [[SSLSocket alloc] initWithSocket: _socket];
+		[newSock setCertificateFile: _certificateFile];
+		[newSock setPrivateKeyFile: _privateKeyFile];
+		[newSock setPrivateKeyPassphrase: _privateKeyPassphrase];
+		[newSock startTLS];
 		[_socket release];
 		_socket = newSock;