diff --git a/src/templates_front/templator_front.org b/src/templates_front/templator_front.org
index 78085c4..ffdf6d1 100644
--- a/src/templates_front/templator_front.org
+++ b/src/templates_front/templator_front.org
@@ -1683,7 +1683,7 @@ interface
      use, intrinsic :: iso_c_binding
      integer(8), intent(in), value :: trex_file
      character, intent(in) :: dset(*)
-     integer(4), intent(in) :: max_str_len
+     integer(4), intent(in), value :: max_str_len
    end function trexio_write_$group_dset$
 end interface
      #+end_src
@@ -1694,7 +1694,7 @@ interface
      use, intrinsic :: iso_c_binding
      integer(8), intent(in), value :: trex_file
      character, intent(out) :: dset(*)
-     integer(4), intent(in) :: max_str_len
+     integer(4), intent(in), value :: max_str_len
    end function trexio_read_$group_dset$
 end interface
      #+end_src
@@ -1841,7 +1841,7 @@ interface
      use, intrinsic :: iso_c_binding
      integer(8), intent(in), value :: trex_file
      character, intent(in) :: str(*)
-     integer(4), intent(in) :: max_str_len
+     integer(4), intent(in), value :: max_str_len
    end function trexio_write_$group_str$
 end interface
      #+end_src
@@ -1852,7 +1852,7 @@ interface
      use, intrinsic :: iso_c_binding
      integer(8), intent(in), value :: trex_file
      character, intent(out) :: str(*)
-     integer(4), intent(in) :: max_str_len
+     integer(4), intent(in), value :: max_str_len
    end function trexio_read_$group_str$
 end interface
      #+end_src