diff --git a/spectrum/src/frontends/slack/SlackUserManager.cpp b/spectrum/src/frontends/slack/SlackUserManager.cpp
index 6e687b03c27bf6ea472adea0a84eacddb59feb2e..4a8dbb2502d18311619a7618b5f80d195e6fc1cf 100644
--- a/spectrum/src/frontends/slack/SlackUserManager.cpp
+++ b/spectrum/src/frontends/slack/SlackUserManager.cpp
@@ -185,8 +185,7 @@ bool SlackUserManager::handleAdminMessage(Swift::Message::ref message) {
 
 			SlackUser *user = static_cast<SlackUser *>(getUser(args[1]));
 			if (user) {
-				// TODO
-// 				user->getSession()->handleJoinMessage("", args, true);
+				user->getSession()->leaveRoom(args[2]);
 			}
 			message->setBody("Left the room");
 			return true;