diff --git a/sys/isofs/isofs_vfsops.c b/sys/isofs/isofs_vfsops.c
index 9163efa2b692..87159b55a742 100644
--- a/sys/isofs/isofs_vfsops.c
+++ b/sys/isofs/isofs_vfsops.c
@@ -1,5 +1,5 @@
 /*
- *	$Id: isofs_vfsops.c,v 1.3 1993/05/20 03:30:54 cgd Exp $
+ *	$Id: isofs_vfsops.c,v 1.4 1993/06/07 18:12:52 cgd Exp $
  */
 
 #include "param.h"
@@ -269,7 +269,7 @@ iso_mountfs(devvp, mp, p)
 
 	rootp = (struct iso_directory_record *)pri->root_directory_record;
 
-	isomp = (struct iso_mnt *)malloc(sizeof *isomp,M_UFSMNT,M_WAITOK);
+	isomp = (struct iso_mnt *)malloc(sizeof *isomp,M_ISOFSMNT,M_WAITOK);
 	isomp->logical_block_size = logical_block_size;
 	isomp->volume_space_size = isonum_733 (pri->volume_space_size);
 	bcopy (rootp, isomp->root, sizeof isomp->root);
@@ -307,7 +307,7 @@ out:
 	if (needclose)
 		(void)VOP_CLOSE(devvp, ronly ? FREAD : FREAD|FWRITE, NOCRED, p);
 	if (isomp) {
-		free((caddr_t)isomp, M_UFSMNT);
+		free((caddr_t)isomp, M_ISOFSMNT);
 		mp->mnt_data = (qaddr_t)0;
 	}
 	return (error);
@@ -355,7 +355,7 @@ isofs_unmount(mp, mntflags, p)
 	error = VOP_CLOSE(isomp->im_devvp, ronly ? FREAD : FREAD|FWRITE,
 		NOCRED, p);
 	vrele(isomp->im_devvp);
-	free((caddr_t)isomp, M_UFSMNT);
+	free((caddr_t)isomp, M_ISOFSMNT);
 	mp->mnt_data = (qaddr_t)0;
 	mp->mnt_flag &= ~MNT_LOCAL;
 	return (error);
diff --git a/sys/sys/malloc.h b/sys/sys/malloc.h
index eb1c7c2af506..7a1eea60e7d7 100644
--- a/sys/sys/malloc.h
+++ b/sys/sys/malloc.h
@@ -31,7 +31,7 @@
  * SUCH DAMAGE.
  *
  *	from: @(#)malloc.h	7.25 (Berkeley) 5/15/91
- *	$Id: malloc.h,v 1.9 1993/06/07 04:56:47 cgd Exp $
+ *	$Id: malloc.h,v 1.10 1993/06/07 18:13:14 cgd Exp $
  */
 
 #ifndef _SYS_MALLOC_H_
@@ -96,7 +96,8 @@
 #define	M_TTYS		45	/* allocated tty structures */
 #define	M_EXEC		46	/* argument lists & other mem used by exec */
 #define M_MISCFSMNT	47	/* miscfs mount structures */
-#define	M_TEMP		48	/* misc temporary data buffers */
+#define M_ISOFSMNT	48	/* isofs mount structures */
+#define	M_TEMP		49	/* misc temporary data buffers */
 #define	M_LAST		M_TEMP
 
 #define INITKMEMNAMES { \
@@ -148,7 +149,8 @@
 	"ttys",		/* 45 M_TTYS */ \
 	"exec",		/* 46 M_EXEC */ \
 	"miscfs mount",	/* 47 M_MISCFSMNT */ \
-	"temp",		/* 48 M_TEMP */ \
+	"isofs mount",	/* 48 M_ISOFSMNT */ \
+	"temp",		/* 49 M_TEMP */ \
 }
 
 struct kmemstats {