diff --git a/build/libraries/os/common/os_boot.c b/build/libraries/os/common/os_boot.c
index 2aeca68c..c8282322 100644
--- a/build/libraries/os/common/os_boot.c
+++ b/build/libraries/os/common/os_boot.c
@@ -54,7 +54,7 @@ void OSi_Boot( void* entry, MIHeader_WramRegs* w )
 #ifdef SDK_ARM9
     OSBootCore = (void*)HW_ITCM;
 #else // SDK_ARM7
-    OSBootCore = (void*)(HW_PRV_WRAM_SYS_STACK_DEFAULT - 0x200);
+    OSBootCore = (void*)(HW_PRV_WRAM_SVC_STACK - 0x200);
 #endif // SDK_ARM7
 
     MI_CpuCopyFast( OSi_BootCore, OSBootCore, 0x200 );