diff --git a/lcl/interfaces/win32/win32memostrings.inc b/lcl/interfaces/win32/win32memostrings.inc
index a6ed4a4a1a..7c9f3f5295 100644
--- a/lcl/interfaces/win32/win32memostrings.inc
+++ b/lcl/interfaces/win32/win32memostrings.inc
@@ -4,7 +4,7 @@ type
 
 { TWin32MemoStrings }
 
-  TWin32MemoStrings = class(TStrings)
+  TWin32MemoStrings = class(TCustomMemoStrings)
   private
     FHandle: HWND;
     FOwner: TWinControl;
diff --git a/lcl/interfaces/win32/win32wsstdctrls.pp b/lcl/interfaces/win32/win32wsstdctrls.pp
index 93d3f9dd54..08b7591cc7 100644
--- a/lcl/interfaces/win32/win32wsstdctrls.pp
+++ b/lcl/interfaces/win32/win32wsstdctrls.pp
@@ -32,7 +32,7 @@ uses
   StdCtrls, Controls, Graphics, Forms, Themes,
 ////////////////////////////////////////////////////
   WSControls, WSStdCtrls, WSLCLClasses, WSProc, Windows, LCLType,
-  LazUTF8, LazUtf8Classes, InterfaceBase, LMessages, LCLMessageGlue,
+  LazUTF8, LazUtf8Classes, InterfaceBase, LMessages, LCLMessageGlue, TextStrings,
   Win32Int, Win32Proc, Win32WSControls, Win32Extra, Win32Themes;
 
 type