diff --git a/sys/i386/isa/isa_device.h b/sys/i386/isa/isa_device.h
index 5e4c0bd51f2..a48174cabc3 100644
--- a/sys/i386/isa/isa_device.h
+++ b/sys/i386/isa/isa_device.h
@@ -31,15 +31,16 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)isa_device.h	7.1 (Berkeley) 5/9/91
- *	$Id: isa_device.h,v 1.36 1997/04/26 11:46:02 peter Exp $
+ *	$Id: isa_device.h,v 1.37 1997/04/26 19:07:36 fsmp Exp $
  */
 
 #ifndef _I386_ISA_ISA_DEVICE_H_
 #define	_I386_ISA_ISA_DEVICE_H_
 
-#if 0
+#ifdef KERNEL
 #include "opt_smp.h"
 #endif
+
 /*
  * ISA Bus Autoconfiguration
  */