diff --git a/Userland/Applications/TerminalSettings/MainWidget.cpp b/Userland/Applications/TerminalSettings/MainWidget.cpp
index 3bcc6a354a..694ee734dc 100644
--- a/Userland/Applications/TerminalSettings/MainWidget.cpp
+++ b/Userland/Applications/TerminalSettings/MainWidget.cpp
@@ -119,6 +119,7 @@ void MainWidget::write_back_settings() const
 {
     Config::write_bool("Terminal"sv, "Terminal"sv, "ConfirmClose"sv, m_orignal_confirm_close);
     Config::write_string("Terminal"sv, "Window"sv, "Bell"sv, VT::TerminalWidget::stringify_bell(m_original_bell_mode));
+    Config::write_string("Terminal"sv, "Terminal"sv, "AutoMark"sv, VT::TerminalWidget::stringify_automark_mode(m_automark_mode));
 }
 
 void MainWidget::cancel_settings()