diff --git a/ntoskrnl/mm/ARM3/miarm.h b/ntoskrnl/mm/ARM3/miarm.h
index 60197cda74e..1776b69a918 100644
--- a/ntoskrnl/mm/ARM3/miarm.h
+++ b/ntoskrnl/mm/ARM3/miarm.h
@@ -197,13 +197,8 @@ extern const ULONG MmProtectToValue[32];
 //
 // Special values for LoadedImports
 //
-#ifdef _WIN64
-#define MM_SYSLDR_NO_IMPORTS   (PVOID)0xFFFFFFFFFFFFFFFEULL
-#define MM_SYSLDR_BOOT_LOADED  (PVOID)0xFFFFFFFFFFFFFFFFULL
-#else
-#define MM_SYSLDR_NO_IMPORTS   (PVOID)0xFFFFFFFE
-#define MM_SYSLDR_BOOT_LOADED  (PVOID)0xFFFFFFFF
-#endif
+#define MM_SYSLDR_NO_IMPORTS   ((PVOID)(ULONG_PTR)-2)
+#define MM_SYSLDR_BOOT_LOADED  ((PVOID)(ULONG_PTR)-1)
 #define MM_SYSLDR_SINGLE_ENTRY 0x1
 
 //