diff --git a/spectrum/src/frontends/slack/SlackUserManager.h b/spectrum/src/frontends/slack/SlackUserManager.h
index fc3821fb4ddca908a2cf3ac8ede7b333788bccbe..5705787ff0a611675d69856b76d48208848b96f5 100644
--- a/spectrum/src/frontends/slack/SlackUserManager.h
+++ b/spectrum/src/frontends/slack/SlackUserManager.h
@@ -60,6 +60,7 @@ class SlackUserManager : public UserManager {
 		void sendMessage(boost::shared_ptr<Swift::Message> message);
 
 		SlackSession *moveTempSession(const std::string &user);
+		void moveTempSession(const std::string &user, SlackSession *session);
 
 	private:
 		Component *m_component;