diff --git a/reactos/boot/freeldr/freeldr/arcemul/mm.c b/reactos/boot/freeldr/freeldr/arcemul/mm.c
index 3e6dd5599a3..ab205552d59 100644
--- a/reactos/boot/freeldr/freeldr/arcemul/mm.c
+++ b/reactos/boot/freeldr/freeldr/arcemul/mm.c
@@ -30,6 +30,7 @@ static const MEMORY_DESCRIPTOR_INT MemoryDescriptors[] =
     { { MemoryFirmwareTemporary, 0x80, 0x10 }, 4, }, // File system read buffer. FILESYSBUFFER
     { { MemoryFirmwareTemporary, 0x90, 0x10 }, 5, }, // Disk read buffer for int 13h. DISKREADBUFFER
     { { MemoryFirmwarePermanent, 0xA0, 0x60 }, 6, }, // ROM / Video
+	{ { MemorySpecialMemory, 0xFFF, 1 }, 7, }, // unusable memory
 #elif __arm__ // This needs to be done per-platform specific way
 
 #endif