1 files changed, 6 insertions, 11 deletions
diff --git a/src/libs/installer/lib7z_create.h b/src/libs/installer/lib7z_create.h
index bc61db7ab..b908b028f 100644
--- a/src/libs/installer/lib7z_create.h
+++ b/src/libs/installer/lib7z_create.h
@@ -1,7 +1,7 @@
 /****************************************************************************
 **
-** Copyright (C) 2017 The Qt Company Ltd.
-** Contact: http://www.qt.io/licensing/
+** Copyright (C) 2022 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the Qt Installer Framework.
 **
@@ -30,13 +30,15 @@
 #define LIB7Z_CREATE_H
 
 #include "installer_global.h"
+#include "abstractarchive.h"
 
 #include <Common/MyCom.h>
 #include <7zip/UI/Common/Update.h>
 
+#include <QStringList>
+
 QT_BEGIN_NAMESPACE
 class QFileDevice;
-class QStringList;
 QT_END_NAMESPACE
 
 namespace Lib7z
@@ -46,14 +48,7 @@ namespace Lib7z
         Yes
     };
 
-    enum struct Compression {
-        Non = 0,
-        Fastest = 1,
-        Fast = 3,
-        Normal = 5,
-        Maximum = 7,
-        Ultra = 9
-    };
+    typedef QInstaller::AbstractArchive::CompressionLevel Compression;
 
     class INSTALLER_EXPORT UpdateCallback : public IUpdateCallbackUI2, public CMyUnknownImp
     {