diff --git a/Userland/DevTools/HackStudio/HackStudioWidget.cpp b/Userland/DevTools/HackStudio/HackStudioWidget.cpp
index b888d3cbd5..bba00cf6c8 100644
--- a/Userland/DevTools/HackStudio/HackStudioWidget.cpp
+++ b/Userland/DevTools/HackStudio/HackStudioWidget.cpp
@@ -629,6 +629,8 @@ NonnullRefPtr<GUI::Action> HackStudioWidget::create_save_as_action()
         auto new_project_file = m_project->get_file(save_path.value());
         m_open_files.set(save_path.value(), *new_project_file);
         m_open_files_vector.append(save_path.value());
+
+        update_window_title();
     });
 }