diff --git a/extract_symbols.py b/extract_symbols.py
index ecd1e5e..1768712 100644
--- a/extract_symbols.py
+++ b/extract_symbols.py
@@ -12,6 +12,7 @@ variables = {
 	'mouse_buttons': None,
 	'window_chain_head': None,
 	'redraw': None,
+	'memory_allocation_map': None,
 }
 
 if len(sys.argv) != 3:
diff --git a/ponydos.asm b/ponydos.asm
index d008b44..8a1cb8e 100644
--- a/ponydos.asm
+++ b/ponydos.asm
@@ -466,6 +466,7 @@ mouse_handler:
 times 510-($-$$) db 0
 %endif
 
+memory_allocation_map:
 db 0x55
 db 0xaa
 
@@ -475,6 +476,7 @@ db 0xaa
 
 section .bss
 _bss_start:
+resb 8 ; Rest of the memory allocation map
 
 mouse_x resw 1
 mouse_y resw 1 ; mouse_x + 2, do not touch