diff --git a/libsrc/general/mpi_interface.hpp b/libsrc/general/mpi_interface.hpp
index a78794b1..a2014615 100644
--- a/libsrc/general/mpi_interface.hpp
+++ b/libsrc/general/mpi_interface.hpp
@@ -39,9 +39,9 @@ namespace netgen
   { return MPI_DOUBLE; }
 
   
-  template <int S> class Vec;
+  template <int S, typename T> class Vec;
   template <> 
-  inline MPI_Datatype MyGetMPIType<Vec<3> > ()
+  inline MPI_Datatype MyGetMPIType<Vec<3, double> > ()
   {
     static MPI_Datatype MPI_T = 0;
     if (!MPI_T)
diff --git a/ng/parallelfunc.cpp b/ng/parallelfunc.cpp
index aff1b89e..2efb0259 100644
--- a/ng/parallelfunc.cpp
+++ b/ng/parallelfunc.cpp
@@ -29,14 +29,13 @@
 
 
 #include <meshing.hpp>
-
+#include "../interface/writeuser.hpp"
 
 void (*NGS_ParallelRun) (const string & message) = NULL;
 
 
 namespace netgen
 {
-#include "../interface/writeuser.hpp"
   extern string ngdir;
 
 #ifdef OPENGL