diff --git a/compressed_archive/compressed_archive.cpp b/compressed_archive/compressed_archive.cpp
index 91e4bf6b..e9fde00c 100644
--- a/compressed_archive/compressed_archive.cpp
+++ b/compressed_archive/compressed_archive.cpp
@@ -1,4 +1,5 @@
-#ifdef Q_OS_UNIX
+#include <QtCore>
+#ifndef Q_OS_WIN
 #include "libp7zip/CPP/Common/MyInitGuid.h"
 #endif