diff --git a/sys/ufs/mfs/mfsnode.h b/sys/ufs/mfs/mfsnode.h
index a0561352af3..d53986a7e64 100644
--- a/sys/ufs/mfs/mfsnode.h
+++ b/sys/ufs/mfs/mfsnode.h
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)mfsnode.h	8.2 (Berkeley) 8/11/93
- * $Id: mfsnode.h,v 1.3 1994/08/21 07:16:12 paul Exp $
+ * $Id: mfsnode.h,v 1.4 1996/04/08 07:54:51 phk Exp $
  */
 
 #ifndef _UFS_MFS_MFSNODE_H_
@@ -48,7 +48,7 @@ struct mfsnode {
 	pid_t	mfs_pid;		/* supporting process pid */
 	struct buf_queue_head buf_queue;	/* list of I/O requests */
 	int	mfs_active;
-	long	mfs_spare[4];
+	long	mfs_spare[1];
 };
 
 /*