diff --git a/client.cpp b/client.cpp
index da761f3..8535803 100644
--- a/client.cpp
+++ b/client.cpp
@@ -29,7 +29,7 @@
 
 using namespace std;
 
-const Worker::TunnelHeader::Magic Client::magic("9967");
+const Worker::TunnelHeader::Magic Client::magic("hanc");
 
 Client::Client(int tunnelMtu, const char *deviceName, uint32_t serverIp, int maxPolls,
 			   const char *passphrase, uid_t uid, gid_t gid, bool changeEchoId, bool changeEchoSeq)
diff --git a/server.cpp b/server.cpp
index 843648a..4bc9877 100644
--- a/server.cpp
+++ b/server.cpp
@@ -28,7 +28,7 @@
 
 using namespace std;
 
-const Worker::TunnelHeader::Magic Server::magic("9973");
+const Worker::TunnelHeader::Magic Server::magic("hans");
 
 Server::Server(int tunnelMtu, const char *deviceName, const char *passphrase, uint32_t network, bool answerEcho, uid_t uid, gid_t gid, int pollTimeout)
 	: Worker(tunnelMtu, deviceName, answerEcho, uid, gid), auth(passphrase)