diff --git a/src/clib/pio_msg.c b/src/clib/pio_msg.c
index 57460cd8a9e..6ffb616a7c3 100644
--- a/src/clib/pio_msg.c
+++ b/src/clib/pio_msg.c
@@ -174,7 +174,7 @@ int create_file_handler(iosystem_desc_t *ios)
     int mode;
     int use_ext_ncid;
     char ncidp_present;
-    int iosysid;
+    int iosysid = 0;
     int mpierr;
 
     PLOG((1, "create_file_handler comproot = %d", ios->comproot));
@@ -201,8 +201,10 @@ int create_file_handler(iosystem_desc_t *ios)
     if (ncidp_present)
         if ((mpierr = MPI_Bcast(&ncid, 1, MPI_INT, 0, ios->intercomm)))
             return check_mpi(ios, NULL, mpierr, __FILE__, __LINE__);
+#ifdef NETCDF_INTEGRATION
     if ((mpierr = MPI_Bcast(&iosysid, 1, MPI_INT, 0, ios->intercomm)))
         return check_mpi(ios, NULL, mpierr, __FILE__, __LINE__);
+#endif /* NETCDF_INTEGRATION */
     PLOG((1, "create_file_handler len %d filename %s iotype %d mode %d "
           "use_ext_ncid %d ncidp_present %d ncid %d iosysid %d", len,
           filename, iotype, mode, use_ext_ncid, ncidp_present, ncid,
@@ -1977,7 +1979,7 @@ int open_file_handler(iosystem_desc_t *ios)
     int iotype;
     int mode;
     int use_ext_ncid;
-    int iosysid;
+    int iosysid = 0;
     int mpierr;
 
     PLOG((1, "open_file_handler comproot = %d", ios->comproot));
@@ -2000,8 +2002,10 @@ int open_file_handler(iosystem_desc_t *ios)
         return check_mpi(ios, NULL, mpierr, __FILE__, __LINE__);
     if ((mpierr = MPI_Bcast(&use_ext_ncid, 1, MPI_INT, 0, ios->intercomm)))
         return check_mpi(ios, NULL, mpierr, __FILE__, __LINE__);
+#ifdef NETCDF_INTEGRATION
     if ((mpierr = MPI_Bcast(&iosysid, 1, MPI_INT, 0, ios->intercomm)))
         return check_mpi(ios, NULL, mpierr, __FILE__, __LINE__);
+#endif /* NETCDF_INTEGRATION */
 
     PLOG((2, "len %d filename %s iotype %d mode %d use_ext_ncid %d iosysid %d",
           len, filename, iotype, mode, use_ext_ncid, iosysid));
diff --git a/src/clib/pioc_support.c b/src/clib/pioc_support.c
index 9e5fc1f5e22..fb3f58f2e80 100644
--- a/src/clib/pioc_support.c
+++ b/src/clib/pioc_support.c
@@ -2039,11 +2039,13 @@ PIOc_createfile_int(int iosysid, int *ncidp, int *iotype, const char *filename,
             if (ncidp_present)
                 if (!mpierr)
                     mpierr = MPI_Bcast(ncidp, 1, MPI_INT, ios->compmaster, ios->intercomm);
+#ifdef NETCDF_INTEGRATION
             if (!mpierr)
                 mpierr = MPI_Bcast(&diosysid, 1, MPI_INT, ios->compmaster, ios->intercomm);
+#endif /* NETCDF_INTEGRATION */
             PLOG((2, "len %d filename %s iotype %d mode %d use_ext_ncid %d "
-                  "ncidp_present %d diosysid %d", len, filename, file->iotype, mode,
-                  use_ext_ncid, ncidp_present, diosysid));
+                  "ncidp_present %d", len, filename, file->iotype, mode,
+                  use_ext_ncid, ncidp_present));
         }
 
         /* Handle MPI errors. */
@@ -2598,8 +2600,10 @@ PIOc_openfile_retry(int iosysid, int *ncidp, int *iotype, const char *filename,
                 mpierr = MPI_Bcast(&mode, 1, MPI_INT, ios->compmaster, ios->intercomm);
             if (!mpierr)
                 mpierr = MPI_Bcast(&use_ext_ncid, 1, MPI_INT, ios->compmaster, ios->intercomm);
+#ifdef NETCDF_INTEGRATION
             if (!mpierr)
                 mpierr = MPI_Bcast(&diosysid, 1, MPI_INT, ios->compmaster, ios->intercomm);
+#endif /* NETCDF_INTEGRATION */
         }
 
         /* Handle MPI errors. */