diff --git a/sys/arch/x86/include/psl.h b/sys/arch/x86/include/psl.h
index e5e15bae84af..751ef5c62b55 100644
--- a/sys/arch/x86/include/psl.h
+++ b/sys/arch/x86/include/psl.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: psl.h,v 1.5 2008/09/18 15:57:04 christos Exp $	*/
+/*	$NetBSD: psl.h,v 1.6 2008/09/18 21:09:18 dsl Exp $	*/
 
 /*-
  * Copyright (c) 1990 The Regents of the University of California.
@@ -70,7 +70,7 @@
 #else
 #define	PSL_USERSTATIC	(PSL_MBO | PSL_MBZ | PSL_I | PSL_IOPL | PSL_NT | PSL_VM | PSL_VIF | PSL_VIP)
 #endif
-#define PSL_USER	(PSL_C | PSL_MBO | PSL_PF | PSL_AF | PSL_Z | PSL_N | \
+#define PSL_USER	(PSL_C | PSL_PF | PSL_AF | PSL_Z | PSL_N | \
     PSL_T | PSL_V | PSL_D)
 #define	PSL_CLEARSIG	(PSL_T | PSL_VM | PSL_AC | PSL_D)