diff --git a/machines/machineproperties.cpp b/machines/machineproperties.cpp
index 107b63a..41e20fc 100644
--- a/machines/machineproperties.cpp
+++ b/machines/machineproperties.cpp
@@ -22,6 +22,7 @@ along with this program. If not, see .
#include "machineproperties.h"
#include
+#include
#include
#include
#include