diff --git a/src/app/valentina/mainwindowsnogui.cpp b/src/app/valentina/mainwindowsnogui.cpp
index 7da0ce7f4..f85b8297e 100644
--- a/src/app/valentina/mainwindowsnogui.cpp
+++ b/src/app/valentina/mainwindowsnogui.cpp
@@ -61,6 +61,7 @@
 #include <QPrintDialog>
 #include <QPrinterInfo>
 #include <QtConcurrent>
+#include <functional>
 
 #if defined(Q_OS_WIN32) && QT_VERSION >= QT_VERSION_CHECK(5, 7, 0)
 #include <QWinTaskbarButton>