diff --git a/trunk/paradiseo-old-mo/src/mo b/trunk/paradiseo-old-mo/src/oldmo
similarity index 96%
rename from trunk/paradiseo-old-mo/src/mo
rename to trunk/paradiseo-old-mo/src/oldmo
index d0319b60a..cbcc01b8e 100755
--- a/trunk/paradiseo-old-mo/src/mo
+++ b/trunk/paradiseo-old-mo/src/oldmo
@@ -1,5 +1,5 @@
 /* 
-  <mo>
+  <oldmo>
   Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2008
   (C) OPAC Team, LIFL, 2002-2008
 
@@ -33,9 +33,9 @@
   Contact: paradiseo-help@lists.gforge.inria.fr
 */
 
-#ifndef __mo
-#define __mo
+#ifndef __oldmo
+#define __oldmo
 
-#include "mo.h"
+#include "oldmo.h"
 
 #endif
diff --git a/trunk/paradiseo-old-mo/src/mo.h b/trunk/paradiseo-old-mo/src/oldmo.h
similarity index 98%
rename from trunk/paradiseo-old-mo/src/mo.h
rename to trunk/paradiseo-old-mo/src/oldmo.h
index efdab5ded..ad81a9602 100755
--- a/trunk/paradiseo-old-mo/src/mo.h
+++ b/trunk/paradiseo-old-mo/src/oldmo.h
@@ -1,5 +1,5 @@
 /*
-  <mo.h>
+  <oldmo.h>
   Copyright (C) DOLPHIN Project-Team, INRIA Futurs, 2006-2007
   (C) OPAC Team, LIFL, 2002-2007
 
@@ -33,8 +33,8 @@
   Contact: paradiseo-help@lists.gforge.inria.fr
 */
 
-#ifndef _mo_h
-#define _mo_h
+#ifndef _oldmo_h
+#define _oldmo_h
 
 #include <moAlgo.h>
 #include <moAspirCrit.h>