diff --git a/Libraries/LibCore/CObject.cpp b/Libraries/LibCore/CObject.cpp
index bbee4501dd..4014fc032e 100644
--- a/Libraries/LibCore/CObject.cpp
+++ b/Libraries/LibCore/CObject.cpp
@@ -37,6 +37,8 @@ void CObject::event(CEvent& event)
     case CEvent::Invalid:
         ASSERT_NOT_REACHED();
         break;
+    case CEvent::Custom:
+        return custom_event(static_cast<CCustomEvent&>(event));
     default:
         break;
     }
@@ -70,6 +72,10 @@ void CObject::child_event(CChildEvent&)
 {
 }
 
+void CObject::custom_event(CCustomEvent&)
+{
+}
+
 void CObject::start_timer(int ms)
 {
     if (m_timer_id) {
diff --git a/Libraries/LibCore/CObject.h b/Libraries/LibCore/CObject.h
index 038dc93ca8..58c8cf5ad2 100644
--- a/Libraries/LibCore/CObject.h
+++ b/Libraries/LibCore/CObject.h
@@ -8,6 +8,7 @@
 
 class CEvent;
 class CChildEvent;
+class CCustomEvent;
 class CTimerEvent;
 
 class CObject : public Weakable<CObject> {
@@ -59,6 +60,7 @@ public:
 protected:
     virtual void timer_event(CTimerEvent&);
     virtual void child_event(CChildEvent&);
+    virtual void custom_event(CCustomEvent&);
 
 private:
     CObject* m_parent { nullptr };