diff --git a/window/include/CGAL/IO/Postscript_file_stream.h b/window/include/CGAL/IO/Postscript_file_stream.h
index 6eb98bf758b..604e1547352 100644
--- a/window/include/CGAL/IO/Postscript_file_stream.h
+++ b/window/include/CGAL/IO/Postscript_file_stream.h
@@ -86,7 +86,6 @@
 
 CGAL_BEGIN_NAMESPACE
 
-
 typedef CGAL_LEDA_SCOPE::ps_file   leda_ps_file;
 
 class Postscript_file_stream : public leda_ps_file
@@ -171,9 +170,12 @@ create_and_display_demo_postscript_file_stream(float w = 512.0,
   return Wptr;
 }
 
+CGAL_END_NAMESPACE
 
 #endif // CGAL_POSTSCRIPT_FILE_STREAM_H
 
+CGAL_BEGIN_NAMESPACE
+
 //  Each of the following operators is individually
 //  protected against multiple inclusion.
 
@@ -337,4 +339,3 @@ operator<<(Postscript_file_stream& w, const Bbox_2& b)
 #endif // CGAL_BBOX_2_H
 
 CGAL_END_NAMESPACE
-