diff --git a/reactos/dll/win32/shellext/deskadp/deskadp.h b/reactos/dll/win32/shellext/deskadp/deskadp.h
index 68747c62c76..601c4674a0a 100644
--- a/reactos/dll/win32/shellext/deskadp/deskadp.h
+++ b/reactos/dll/win32/shellext/deskadp/deskadp.h
@@ -54,7 +54,7 @@ IDeskDisplayAdapter_ReplacePage(PDESKDISPLAYADAPTER This,
                                 LPFNADDPROPSHEETPAGE pfnReplacePage,
                                 LPARAM lParam);
 
-static const GUID CLSID_IDeskDisplayAdapter = {0x42071712,0x76d4,0x11d1,{0x8b,0x24,0x00,0xa0,0xc9,0x06,0x8f,0xf9}};
+static const GUID CLSID_IDeskDisplayAdapter = {0x42071712,0x76d4,0x11d1,{0x8b,0x24,0x00,0xa0,0xc9,0x06,0x8f,0xf3}};
 
 ULONG __cdecl DbgPrint(PCCH Format,...);