diff --git a/LibGUI/GAbstractButton.cpp b/LibGUI/GAbstractButton.cpp
index e85404fc27..27b0fefb32 100644
--- a/LibGUI/GAbstractButton.cpp
+++ b/LibGUI/GAbstractButton.cpp
@@ -29,6 +29,20 @@ void GAbstractButton::set_checked(bool checked)
     if (m_checked == checked)
         return;
     m_checked = checked;
+
+    if (is_exclusive() && checked) {
+        parent_widget()->for_each_child_of_type<GAbstractButton>([&] (auto& sibling) {
+            if (!sibling.is_exclusive() || !sibling.is_checkable() || !sibling.is_checked())
+                return IterationDecision::Continue;
+            sibling.m_checked = false;
+            sibling.update();
+            if (sibling.on_checked)
+                sibling.on_checked(false);
+            return IterationDecision::Continue;
+        });
+        m_checked = true;
+    }
+
     update();
     if (on_checked)
         on_checked(checked);
diff --git a/LibGUI/GAbstractButton.h b/LibGUI/GAbstractButton.h
index 4d96c2f00f..7ef205a209 100644
--- a/LibGUI/GAbstractButton.h
+++ b/LibGUI/GAbstractButton.h
@@ -14,6 +14,9 @@ public:
     void set_text(const StringView&);
     const String& text() const { return m_text; }
 
+    bool is_exclusive() const { return m_exclusive; }
+    void set_exclusive(bool b) { m_exclusive = b; }
+
     bool is_checked() const { return m_checked; }
     void set_checked(bool);
 
@@ -42,9 +45,20 @@ protected:
     void paint_text(GPainter&, const Rect&, const Font&, TextAlignment);
 
 private:
+    virtual bool is_abstract_button() const final { return true; }
+
     String m_text;
     bool m_checked { false };
     bool m_checkable { false };
     bool m_hovered { false };
     bool m_being_pressed { false };
+    bool m_exclusive { false };
 };
+
+template<>
+inline bool is<GAbstractButton>(const CObject& object)
+{
+    if (!is<GWidget>(object))
+        return false;
+    return to<GWidget>(object).is_abstract_button();
+}
diff --git a/LibGUI/GButton.cpp b/LibGUI/GButton.cpp
index 21b9f39043..6528131215 100644
--- a/LibGUI/GButton.cpp
+++ b/LibGUI/GButton.cpp
@@ -60,6 +60,8 @@ void GButton::click()
 {
     if (!is_enabled())
         return;
+    if (is_checkable())
+        set_checked(!is_checked());
     if (on_click)
         on_click(*this);
 }
diff --git a/LibGUI/GWidget.h b/LibGUI/GWidget.h
index 5c729484cf..67e6522809 100644
--- a/LibGUI/GWidget.h
+++ b/LibGUI/GWidget.h
@@ -198,6 +198,7 @@ public:
     }
 
     virtual bool is_radio_button() const { return false; }
+    virtual bool is_abstract_button() const { return false; }
 
 private:
     virtual bool is_widget() const final { return true; }