diff --git a/lcl/interfaces/win32/win32wscomctrls.pp b/lcl/interfaces/win32/win32wscomctrls.pp
index d13528d6e1..156745c277 100644
--- a/lcl/interfaces/win32/win32wscomctrls.pp
+++ b/lcl/interfaces/win32/win32wscomctrls.pp
@@ -26,7 +26,7 @@ uses
   CommCtrl, Windows, Classes, SysUtils, Math, Win32Extra,
   // LCL
   ComCtrls, LCLType, Controls, Graphics, Themes,
-  ImgList, StdCtrls, Forms, LCLIntf,
+  ImgList, StdCtrls, Forms, LCLIntf, LCLProc,
   LMessages, LazUTF8, LCLMessageGlue, InterfaceBase,
   // widgetset
   WSComCtrls, WSLCLClasses, WSControls, WSProc,