diff --git a/Libraries/LibGUI/TabWidget.cpp b/Libraries/LibGUI/TabWidget.cpp
index 4bafddd049..5e46f267d0 100644
--- a/Libraries/LibGUI/TabWidget.cpp
+++ b/Libraries/LibGUI/TabWidget.cpp
@@ -113,6 +113,15 @@ void TabWidget::set_active_widget(Widget* widget)
     update_bar();
 }
 
+void TabWidget::set_tab_index(int index)
+{
+    if (m_tabs.at(index).widget == m_active_widget)
+        return;
+    set_active_widget(m_tabs.at(index).widget);
+
+    update_bar();
+}
+
 void TabWidget::resize_event(ResizeEvent& event)
 {
     if (!m_active_widget)
diff --git a/Libraries/LibGUI/TabWidget.h b/Libraries/LibGUI/TabWidget.h
index 9cd424b7d9..b9b2df63ff 100644
--- a/Libraries/LibGUI/TabWidget.h
+++ b/Libraries/LibGUI/TabWidget.h
@@ -48,6 +48,7 @@ public:
     Widget* active_widget() { return m_active_widget.ptr(); }
     const Widget* active_widget() const { return m_active_widget.ptr(); }
     void set_active_widget(Widget*);
+    void set_tab_index(int);
 
     int bar_height() const { return m_bar_visible ? 21 : 0; }