diff --git a/retroshare-gui/src/gui/DetailsDialog.h b/retroshare-gui/src/gui/DetailsDialog.h
index 9b4f65646..b3b1944f7 100644
--- a/retroshare-gui/src/gui/DetailsDialog.h
+++ b/retroshare-gui/src/gui/DetailsDialog.h
@@ -26,6 +26,7 @@
 #include <QObject>
 #include <QModelIndex>
 #include <QVariant>
+#include <stdint.h>
 
 #include "ui_DetailsDialog.h"