diff --git a/components/rgbgraphics/example/rgbunit.pas b/components/rgbgraphics/example/rgbunit.pas
index 89399d6e1..1ac955821 100644
--- a/components/rgbgraphics/example/rgbunit.pas
+++ b/components/rgbgraphics/example/rgbunit.pas
@@ -30,7 +30,7 @@ interface
 
 uses
   Classes, SysUtils, LResources, Forms, Controls, Graphics, Dialogs, Buttons,
-  RGBGraphics, ExtDlgs;
+  StdCtrls, RGBGraphics, ExtDlgs;
 
 type