diff --git a/reactos/boot/freeldr/fdebug/fdebug.c b/reactos/boot/freeldr/fdebug/fdebug.c
index 4f8e7f097ea..bec2675e028 100644
--- a/reactos/boot/freeldr/fdebug/fdebug.c
+++ b/reactos/boot/freeldr/fdebug/fdebug.c
@@ -1,11 +1,13 @@
-// fdebug.cpp : Defines the entry point for the application.
-//
+/* fdebug.c : Defines the entry point for the application. */
 
-#include <windows.h>
+#include <tchar.h>
+
+#include <windef.h>
+#include <winbase.h>
+#include <wingdi.h>
+#include <winuser.h>
 #include <commdlg.h>
 #include <process.h>
-#include <stdio.h>
-#include <tchar.h>
 
 #include "resource.h"
 #include "rs232.h"