diff --git a/include/mem_map.h b/include/mem_map.h
index 8942d11..4f6c9f6 100644
--- a/include/mem_map.h
+++ b/include/mem_map.h
@@ -4,8 +4,9 @@
 
 /* ARM9 MEM */
 #define A9_RAM_BASE       (0x08000000)
+#define A9_RAM_SIZE       (0x00100000)
 #define A9_HEAP_START     (0x08060000)
-#define A9_HEAP_END       (0x080C0000)
+#define A9_HEAP_END       (0x080F0000)
 #define	A9_STUB_ENTRY     (0x080FFE00)
 
 /* VRAM */
@@ -22,5 +23,4 @@
 /* FCRAM */
 #define FCRAM_BASE        (0x20000000)
 #define FCRAM_SIZE        (0x08000000) // this is larger for New3DS, but we don't care.
-#define FCRAM_HEAP_START  (FCRAM_BASE + 0x1000000)
-#define FCRAM_HEAP_END    (FCRAM_HEAP_START + 0x1000000)
+