diff --git a/src/USER-NETCDF/dump_netcdf.cpp b/src/USER-NETCDF/dump_netcdf.cpp
index bad90bdef3d1affe541a93c27e69856a66c3f700..c09a131e0a58c9f7d12e754304814d37f3a79b0b 100644
--- a/src/USER-NETCDF/dump_netcdf.cpp
+++ b/src/USER-NETCDF/dump_netcdf.cpp
@@ -354,7 +354,7 @@ void DumpNetCDF::openfile()
       if (singlefile_opened) return;
       singlefile_opened = 1;
 
-      NCERRX( nc_create(filename, NC_64BIT_OFFSET, &ncid),
+      NCERRX( nc_create(filename, NC_64BIT_DATA, &ncid),
 	      filename );
 
       // dimensions
diff --git a/src/USER-NETCDF/dump_netcdf_mpiio.cpp b/src/USER-NETCDF/dump_netcdf_mpiio.cpp
index 2e9ec274a5e07cc04bddb7644aa87d54353b09c6..85a1f347f09479fcedff3a124b84bf7bee1d4829 100644
--- a/src/USER-NETCDF/dump_netcdf_mpiio.cpp
+++ b/src/USER-NETCDF/dump_netcdf_mpiio.cpp
@@ -350,7 +350,7 @@ void DumpNetCDFMPIIO::openfile()
     if (singlefile_opened) return;
     singlefile_opened = 1;
 
-    NCERRX( ncmpi_create(MPI_COMM_WORLD, filename, NC_64BIT_OFFSET,
+    NCERRX( ncmpi_create(MPI_COMM_WORLD, filename, NC_64BIT_DATA,
                          MPI_INFO_NULL, &ncid), filename );
 
     // dimensions