diff --git a/launcher/lobby/chat_moc.cpp b/launcher/lobby/chat_moc.cpp
index aad01dd69..a260ba312 100644
--- a/launcher/lobby/chat_moc.cpp
+++ b/launcher/lobby/chat_moc.cpp
@@ -1,3 +1,13 @@
+/*
+ * chat_moc.cpp, part of VCMI engine
+ *
+ * Authors: listed in file AUTHORS in main folder
+ *
+ * License: GNU General Public License v2.0 or later
+ * Full text of license available in license.txt file, in main folder
+ *
+ */
+#include "StdInc.h"
 #include "chat_moc.h"
 #include "ui_chat_moc.h"
 
diff --git a/launcher/lobby/chat_moc.h b/launcher/lobby/chat_moc.h
index 52068d955..d5a735f67 100644
--- a/launcher/lobby/chat_moc.h
+++ b/launcher/lobby/chat_moc.h
@@ -1,7 +1,16 @@
-#ifndef CHAT_MOC_H
-#define CHAT_MOC_H
+/*
+ * chat_moc.h, part of VCMI engine
+ *
+ * Authors: listed in file AUTHORS in main folder
+ *
+ * License: GNU General Public License v2.0 or later
+ * Full text of license available in license.txt file, in main folder
+ *
+ */
+#pragma once
 
 #include <QWidget>
+#include <QCompleter>
 
 namespace Ui {
 class Chat;
@@ -58,5 +67,3 @@ private slots:
 private:
 	Ui::Chat *ui;
 };
-
-#endif // CHAT_MOC_H