diff --git a/mps/code/mpscmv2.h b/mps/code/mpscmvt.h
similarity index 97%
rename from mps/code/mpscmv2.h
rename to mps/code/mpscmvt.h
index 8490b8f311a..be273177304 100644
--- a/mps/code/mpscmv2.h
+++ b/mps/code/mpscmvt.h
@@ -1,11 +1,11 @@
-/* mpscmv2.h: MEMORY POOL SYSTEM CLASS "MVT"
+/* mpscmvt.h: MEMORY POOL SYSTEM CLASS "MVT"
  *
  * $Id$
  * Copyright (c) 2001 Ravenbrook Limited.  See end of file for license.
  */
 
-#ifndef mpscmv2_h
-#define mpscmv2_h
+#ifndef mpscmvt_h
+#define mpscmvt_h
 
 #include "mps.h"
 
@@ -32,7 +32,7 @@ extern mps_class_t mps_class_mvt(void);
 extern size_t mps_mvt_free_size(mps_pool_t mps_pool);
 extern size_t mps_mvt_size(mps_pool_t mps_pool);
 
-#endif /* mpscmv2_h */
+#endif /* mpscmvt_h */
 
 
 /* C. COPYRIGHT AND LICENSE
diff --git a/mps/code/mv2test.c b/mps/code/mv2test.c
index d8c80ba0d6a..5568f9dc713 100644
--- a/mps/code/mv2test.c
+++ b/mps/code/mv2test.c
@@ -10,7 +10,7 @@
 #include "mpstd.h"
 #include <time.h>
 
-#include "mpscmv2.h"
+#include "mpscmvt.h"
 #include "mps.h"
 
 typedef MPS_T_WORD mps_count_t;  /* machine word (target dep.) */
diff --git a/mps/code/poolmv2.c b/mps/code/poolmv2.c
index 9401f568b03..dc10ce990a8 100644
--- a/mps/code/poolmv2.c
+++ b/mps/code/poolmv2.c
@@ -11,7 +11,7 @@
 
 #include "mpm.h"
 #include "poolmv2.h"
-#include "mpscmv2.h"
+#include "mpscmvt.h"
 #include "abq.h"
 #include "cbs.h"
 #include "meter.h"