diff -up netcdf-4.1.3/libdispatch/parallel.c.mpi netcdf-4.1.3/libdispatch/parallel.c
--- netcdf-4.1.3/libdispatch/parallel.c.mpi	2011-06-10 07:35:00.000000000 -0600
+++ netcdf-4.1.3/libdispatch/parallel.c	2012-02-10 10:46:18.229286019 -0700
@@ -29,13 +29,8 @@ nc_create_par(const char *path, int cmod
        !(cmode & NC_PNETCDF))
       return NC_EINVAL;
 
-#ifdef HAVE_MPI_COMM_F2C
-   comm_c = MPI_Comm_f2c(comm);
-   info_c = MPI_Info_f2c(info);
-#else
    comm_c = (MPI_Comm)comm;
    info_c = (MPI_Info)info;
-#endif
 
    data.comm = comm_c;
    data.info = info_c;