diff --git a/src/UserSettingsPage.h b/src/UserSettingsPage.h
index af73202e..6744d101 100644
--- a/src/UserSettingsPage.h
+++ b/src/UserSettingsPage.h
@@ -23,6 +23,8 @@
 #include <QSharedPointer>
 #include <QWidget>
 
+#include <optional>
+
 class Toggle;
 class QLabel;
 class QFormLayout;