diff --git a/src/corelib/mimetypes/qmimetype.cpp b/src/corelib/mimetypes/qmimetype.cpp
index 4099487f9b..a868129788 100644
--- a/src/corelib/mimetypes/qmimetype.cpp
+++ b/src/corelib/mimetypes/qmimetype.cpp
@@ -51,6 +51,8 @@
 #include <QtCore/QDebug>
 #include <QtCore/QLocale>
 
+#include <memory>
+
 QT_BEGIN_NAMESPACE
 
 bool qt_isQMimeTypeDebuggingActivated (false);