diff --git a/bld/build.sh b/bld/build.sh
index 4a79156..4edb782 100755
--- a/bld/build.sh
+++ b/bld/build.sh
@@ -55,10 +55,10 @@ setenv NICECAT    5       # number of ice thickness categories
 
 if ( $AusCOM == 'yes' ) then
     setenv CPLLIBDIR $LIBACCESSOM2_ROOT/build/lib
-    setenv CPLLIBS '-L$(CPLLIBDIR)/ -laccessom2 -L$(SRCDIR)/pio-2.4.3/usr/lib/ -lpiof'
+    setenv CPLLIBS '-L$(CPLLIBDIR)/ -laccessom2 -L$(SRCDIR)/pio-2.4.4/usr/lib/ -lpiof'
     setenv CPLINCDIR $LIBACCESSOM2_ROOT/build
     setenv OASISDIR $CPLINCDIR/oasis3-mct-prefix/src/oasis3-mct/Linux/build/lib/
-    setenv CPL_INCS '-I$(CPLINCDIR)/include -I$(OASISDIR)/psmile.MPI1 -I$(OASISDIR)/mct -I$(SRCDIR)/pio-2.4.3/usr/include/'
+    setenv CPL_INCS '-I$(CPLINCDIR)/include -I$(OASISDIR)/psmile.MPI1 -I$(OASISDIR)/mct -I$(SRCDIR)/pio-2.4.4/usr/include/'
 endif
 
 ### Setup the version string, this is the git hash of the commit used to build
diff --git a/io_pio/ice_pio.F90 b/io_pio/ice_pio.F90
index 152bd12..08823aa 100644
--- a/io_pio/ice_pio.F90
+++ b/io_pio/ice_pio.F90
@@ -41,7 +41,7 @@ module ice_pio
 
    subroutine ice_pio_init(mode, filename, File, clobber, cdf64)
 
-   use shr_pio_mod, only: shr_pio_getiosys, shr_pio_getiotype
+   use pio_types, only: pio_iotype_netcdf4p
      
    implicit none
    character(len=*)     , intent(in),    optional :: mode
@@ -65,7 +65,7 @@ subroutine ice_pio_init(mode, filename, File, clobber, cdf64)
    logical, save :: first_call = .true.
 
    ice_pio_subsystem => shr_pio_getiosys(inst_name)
-   pio_iotype =  shr_pio_getiotype(inst_name)
+   pio_iotype = pio_iotype_netcdf4p
 
    if (present(mode) .and. present(filename) .and. present(File)) then
       
diff --git a/io_pio/ice_restart.F90 b/io_pio/ice_restart.F90
index ba4ad8f..b261cfc 100644
--- a/io_pio/ice_restart.F90
+++ b/io_pio/ice_restart.F90
@@ -12,7 +12,7 @@ module ice_restart
       use ice_kinds_mod
       use ice_restart_shared, only: &
           restart, restart_ext, restart_dir, restart_file, pointer_file, &
-          runid, runtype, use_restart_time, restart_format, lcdf64, lenstr
+          runid, runtype, use_restart_time, restart_format, lenstr
       use ice_pio
       use pio
 
@@ -180,7 +180,7 @@ subroutine init_restart_write(filename_spec)
       
          File%fh=-1
          call ice_pio_init(mode='write',filename=trim(filename), File=File, &
-              clobber=.true., cdf64=lcdf64 )
+              clobber=.true.)
 
          status = pio_put_att(File,pio_global,'istep1',istep1)
          status = pio_put_att(File,pio_global,'time',time)
diff --git a/source/ice_read_write.F90 b/source/ice_read_write.F90
index 9c26e10..7745eca 100644
--- a/source/ice_read_write.F90
+++ b/source/ice_read_write.F90
@@ -21,6 +21,7 @@ module ice_read_write
       use ice_blocks, only: nx_block, ny_block, nghost
       use ice_exit, only: abort_ice
 
+#define ncdf
 #ifdef ncdf
       use netcdf      
 #endif