diff --git a/src/net/sessionmanager.h b/src/net/sessionmanager.h
index ec3e3af3..36f7fb4f 100644
--- a/src/net/sessionmanager.h
+++ b/src/net/sessionmanager.h
@@ -64,7 +64,7 @@ public:
 	bool IsPlayerConnected(const std::string &playerName) const;
 	bool IsPlayerConnected(unsigned uniqueId) const;
 	bool IsClientAddressConnected(const std::string &clientAddress) const;
-	bool IsGuestAllowedToConnect(const std::string &clientAddress, int) const;
+	bool IsGuestAllowedToConnect(const std::string &clientAddress) const;
 
 	void ForEach(boost::function<void (boost::shared_ptr<SessionData>)> func);