diff --unified --recursive --text a/src/tuxclocker-qt/widgets/FlagEditor.hpp b/src/tuxclocker-qt/widgets/FlagEditor.hpp
--- a/src/tuxclocker-qt/widgets/FlagEditor.hpp	2023-09-27 09:55:34.062407164 -0600
+++ b/src/tuxclocker-qt/widgets/FlagEditor.hpp	2023-09-27 09:57:15.583771720 -0600
@@ -4,6 +4,7 @@
 
 // Qt can't use its own signals in templated classes
 #include <boost/signals2.hpp>
+#include <cstdint>
 #include <fplus/fplus.hpp>
 #include <QAbstractItemView>
 #include <QComboBox>