small change

AMDiS/src/io/detail/Arh3Writer.h

@@ -139,7 +139,7 @@ namespace AMDiS { namespace io {
        void writeParallelFile(std::string filename,
 			      Mesh* mesh,
 			      bool createSubDir,
-			      Macroformat::Value writeMacro = Macroformat::NONE);
+			      Macroformat::Value writeMacro = Macroformat::PT_MACROFILE);
 #endif
     }//end namespace detail
   } // end namespace Arh3Writer