diff --git a/spectrum/src/frontends/slack/SlackUserManager.h b/spectrum/src/frontends/slack/SlackUserManager.h
index 5705787ff0a611675d69856b76d48208848b96f5..103ae802b8f484c54c5af44a56a19bd22e81e31a 100644
--- a/spectrum/src/frontends/slack/SlackUserManager.h
+++ b/spectrum/src/frontends/slack/SlackUserManager.h
@@ -62,6 +62,9 @@ class SlackUserManager : public UserManager {
 		SlackSession *moveTempSession(const std::string &user);
 		void moveTempSession(const std::string &user, SlackSession *session);
 
+	private:
+		void handleUserCreated(User *user);
+
 	private:
 		Component *m_component;
 		UserRegistration *m_userRegistration;