diff --git a/include/wx/effects.h b/include/wx/effects.h
index 64f7d02eee..1ad96f4ec6 100644
--- a/include/wx/effects.h
+++ b/include/wx/effects.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        effects.h
+// Name:        wx/effects.h
 // Purpose:     wxEffects class
 //              Draws 3D effects.
 // Author:      Julian Smart et al
@@ -17,6 +17,9 @@
  * wxEffects: various 3D effects
  */
 
+#include "wx/object.h"
+#include "wx/colour.h"
+
 class WXDLLEXPORT wxEffects: public wxObject
 {
 DECLARE_CLASS(wxEffects)
@@ -68,4 +71,3 @@ protected:
 };
 
 #endif
-