diff --git a/preprocessed/preprocess_list.py b/preprocessed/preprocess_list.py
index 5d2a583..1a35d63 100644
--- a/preprocessed/preprocess_list.py
+++ b/preprocessed/preprocess_list.py
@@ -1,5 +1,5 @@
 
-# Copyright Aleksey Gurtovoy 2001-2004
+# Copyright Aleksey Gurtovoy 2001-2006
 #
 # Distributed under the Boost Software License, Version 1.0. 
 # (See accompanying file LICENSE_1_0.txt or copy at 
@@ -12,9 +12,10 @@
 # $Revision$
 
 import preprocess
+import os.path
 
 preprocess.main(
       [ "plain" ]
     , "list"
-    , "boost\\mpl\\list\\aux_\\preprocessed"
+    , os.path.join( "boost", "mpl", "list", "aux_", "preprocessed" )
     )
diff --git a/preprocessed/preprocess_map.py b/preprocessed/preprocess_map.py
index 43a0f16..b894474 100644
--- a/preprocessed/preprocess_map.py
+++ b/preprocessed/preprocess_map.py
@@ -1,5 +1,5 @@
 
-# Copyright Aleksey Gurtovoy 2001-2004
+# Copyright Aleksey Gurtovoy 2001-2006
 #
 # Distributed under the Boost Software License, Version 1.0. 
 # (See accompanying file LICENSE_1_0.txt or copy at 
@@ -12,9 +12,10 @@
 # $Revision$
 
 import preprocess
+import os.path
 
 preprocess.main(
       [ "plain", "typeof_based", "no_ctps" ]
     , "map"
-    , "boost\\mpl\\map\\aux_\\preprocessed"
+    , os.path.join( "boost", "mpl", "map", "aux_", "preprocessed" )
     )
diff --git a/preprocessed/preprocess_set.py b/preprocessed/preprocess_set.py
index b7ff3ec..4ca06d6 100644
--- a/preprocessed/preprocess_set.py
+++ b/preprocessed/preprocess_set.py
@@ -1,5 +1,5 @@
 
-# Copyright Aleksey Gurtovoy 2001-2004
+# Copyright Aleksey Gurtovoy 2001-2006
 #
 # Distributed under the Boost Software License, Version 1.0. 
 # (See accompanying file LICENSE_1_0.txt or copy at 
@@ -12,9 +12,10 @@
 # $Revision$
 
 import preprocess
+import os.path
 
 preprocess.main(
       [ "plain" ]
     , "set"
-    , "boost\\mpl\\set\\aux_\\preprocessed"
+    , os.path.join( "boost", "mpl", "set", "aux_", "preprocessed" )
     )
diff --git a/preprocessed/preprocess_vector.py b/preprocessed/preprocess_vector.py
index b647d55..a15f56a 100644
--- a/preprocessed/preprocess_vector.py
+++ b/preprocessed/preprocess_vector.py
@@ -1,5 +1,5 @@
 
-# Copyright Aleksey Gurtovoy 2001-2004
+# Copyright Aleksey Gurtovoy 2001-2006
 #
 # Distributed under the Boost Software License, Version 1.0. 
 # (See accompanying file LICENSE_1_0.txt or copy at 
@@ -12,9 +12,10 @@
 # $Revision$
 
 import preprocess
+import os.path
 
 preprocess.main(
       [ "no_ctps", "plain", "typeof_based" ]
     , "vector"
-    , "boost\\mpl\\vector\\aux_\\preprocessed"
+    , os.path.join( "boost", "mpl", "vector", "aux_", "preprocessed" )
     )