diff --git a/board/amcc/katmai/init.S b/board/amcc/katmai/init.S
index 6b024ee..5202ae6 100644
--- a/board/amcc/katmai/init.S
+++ b/board/amcc/katmai/init.S
@@ -103,7 +103,7 @@
 
 	tlbentry(CFG_PERIPHERAL_BASE, SZ_4K, 0xF0000000, 4, AC_R|AC_W|SA_G|SA_I)
 
-	tlbentry(CFG_ACE_BASE, SZ_1K, 0xE0000000, 4,AC_R|AC_W|SA_G|SA_I)
+	tlbentry(CFG_ACE_BASE, SZ_1K, CFG_ACE_BASE, 4,AC_R|AC_W|SA_G|SA_I)
 
 	tlbentry(CFG_PCI_BASE, SZ_256M, 0x00000000, 0xC, AC_R|AC_W|SA_G|SA_I)
 	tlbentry(CFG_PCI_MEMBASE, SZ_256M, 0x10000000, 0xC, AC_R|AC_W|SA_G|SA_I)