diff --git a/hollywood.h b/hollywood.h
index df7c0e0..3543861 100644
--- a/hollywood.h
+++ b/hollywood.h
@@ -35,6 +35,7 @@ Copyright (C) 2008, 2009	John Kelley <wiidev@kelley.ca>
 #define		HW_ARMIRQMASK		(HW_REG_BASE + 0x03c)
 
 #define		HW_MEMMIRR		(HW_REG_BASE + 0x060)
+#define		HW_AHBPROT		(HW_REG_BASE + 0x064)
 
 // something to do with PPCBOOT
 // and legacy DI it seems ?!?
diff --git a/powerpc.c b/powerpc.c
index fc15e85..e9af11b 100644
--- a/powerpc.c
+++ b/powerpc.c
@@ -41,6 +41,7 @@ void powerpc_upload_stub(u32 entry)
 		write32(EXI_BOOT_BASE + 4 * i, 0);
 
 	set32(HW_DIFLAGS, DIFLAGS_BOOT_CODE);
+	set32(HW_AHBPROT, 0xFFFFFFFF);
 
 	gecko_printf("disabling EXI now...\n");
 	clear32(HW_EXICTRL, EXICTRL_ENABLE_EXI);