diff --git a/src/clib/pio.h b/src/clib/pio.h
index 26e45d54f38..1cef2cecbf4 100644
--- a/src/clib/pio.h
+++ b/src/clib/pio.h
@@ -16,22 +16,7 @@
 #include <mpi.h>
 #include <uthash.h>
 
-#ifdef _NETCDF
 #include <netcdf.h>
-#ifdef _NETCDF4
-#include <netcdf_par.h>
-#endif
-#endif
-#ifdef _PNETCDF
-#include <pnetcdf.h>
-#endif
-
-#ifndef MPI_OFFSET
-/** MPI_OFFSET is an integer type of size sufficient to represent the
- * size (in bytes) of the largest file supported by MPI. In some MPI
- * implementations MPI_OFFSET is not properly defined.  */
-#define MPI_OFFSET  MPI_LONG_LONG
-#endif
 
 /** PIO_OFFSET is an integer type of size sufficient to represent the
  * size (in bytes) of the largest file supported by MPI. This is not
diff --git a/src/clib/pio_internal.h b/src/clib/pio_internal.h
index 595f3b93f31..9c789164509 100644
--- a/src/clib/pio_internal.h
+++ b/src/clib/pio_internal.h
@@ -16,6 +16,12 @@
 #include <bget.h>
 #include <limits.h>
 #include <math.h>
+#ifdef _NETCDF4
+#include <netcdf_par.h>
+#endif
+#ifdef _PNETCDF
+#include <pnetcdf.h>
+#endif
 #ifdef TIMING
 #include <gptl.h>
 #endif
@@ -24,6 +30,13 @@
 #include <mpe.h>
 #endif /* USE_MPE */
 
+#ifndef MPI_OFFSET
+/** MPI_OFFSET is an integer type of size sufficient to represent the
+ * size (in bytes) of the largest file supported by MPI. In some MPI
+ * implementations MPI_OFFSET is not properly defined.  */
+#define MPI_OFFSET  MPI_LONG_LONG
+#endif
+
 /* These are the sizes of types in netCDF files. Do not replace these
  * constants with sizeof() calls for C types. They are not the
  * same. Even on a system where sizeof(short) is 4, the size of a