diff --git a/bochs/cpu/access.cc b/bochs/cpu/access.cc
index 82df324e1..aec71abdb 100644
--- a/bochs/cpu/access.cc
+++ b/bochs/cpu/access.cc
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////
-// $Id: access.cc,v 1.91 2008-02-11 20:52:10 sshwarts Exp $
+// $Id: access.cc,v 1.92 2008-02-12 06:47:03 sshwarts Exp $
 /////////////////////////////////////////////////////////////////////////
 //
 //  Copyright (C) 2001  MandrakeSoft S.A.
@@ -35,8 +35,12 @@
 // when aligment check is enabled a misaligned access will miss the TLB.
 // BX_CPU_THIS_PTR alignment_check_mask must be initialized to all'ones if
 // alignment check exception is enabled and LPF_MASK if not.
+#if BX_CPU_LEVEL >= 4 && BX_SUPPORT_ALIGNMENT_CHECK
 #define AlignedAccessLPFOf(laddr, alignment_mask) \
           ((laddr) & (LPF_MASK | (alignment_mask))) & (BX_CPU_THIS_PTR alignment_check_mask)
+#else
+#define AlignedAccessLPFOf(laddr, alignment_mask) LPFOf(laddr)
+#endif
 
   void BX_CPP_AttrRegparmN(3)
 BX_CPU_C::write_virtual_checks(bx_segment_reg_t *seg, bx_address offset, unsigned length)