1 files changed, 1 insertions, 1 deletions
diff --git a/src/libs/installer/lib7z_facade.h b/src/libs/installer/lib7z_facade.h
index e61cce6ac..515d63bba 100644
--- a/src/libs/installer/lib7z_facade.h
+++ b/src/libs/installer/lib7z_facade.h
@@ -11,6 +11,7 @@
 #include <QtCore/QString>
 #include <QtCore/QVector>
 #include <QtCore/QVariant>
+#include <QtCore/QReadWriteLock>
 
 #include "Common/MyWindows.h"
 
@@ -23,7 +24,6 @@ template <typename T> class QVector;
 QT_END_NAMESPACE
 
 namespace Lib7z {
-
     class INSTALLER_EXPORT SevenZipException : public std::runtime_error {
     public:
         explicit SevenZipException( const QString& msg ) : std::runtime_error( msg.toStdString() ), m_message( msg ) {}