diff --git a/file/lib/system/chat/command/commands/Temproom.class.php b/file/lib/system/chat/command/commands/Temproom.class.php
index 91aa2e5..290503a 100644
--- a/file/lib/system/chat/command/commands/Temproom.class.php
+++ b/file/lib/system/chat/command/commands/Temproom.class.php
@@ -51,6 +51,7 @@ public function __construct(\wcf\system\chat\command\CommandHandler $commandHand
 		);
 		
 		\wcf\system\acl\ACLHandler::getInstance()->save($roomID, \wcf\system\acl\ACLHandler::getInstance()->getObjectTypeID('be.bastelstu.wcf.chat.room'));
+		\wcf\system\chat\permission\ChatPermissionHandler::clearCache();
 		$this->didInit();
 	}